参考方法：

#!/usr/bin/env python
# -*- coding: utf-8 -*-

for i in range(1, 1001):
    sum = 0
    for j in range(1, i):
        if i % j == 0:
            sum += j
    if sum == i:
        print(i)

参考方法：

#!/usr/bin/python
# -*- coding: UTF-8 -*-
__author__ = 'Arlene'

def fun(num):
    sum = 1  # 1要加上，所以默认赋值为1
    for i in range(2, num):  # 因子不包括本身，
        if num % i == 0:
            sum += i
    if sum == num:
        return num
result = []
for num in range(2, 1000):
    test = fun(num)
    if test:   # 去掉空值
        result.append(test)
print("完数有：", result)

参考方法：

#!/usr/bin/env python
# -*- coding: utf-8 -*-

l = []
def num(n):
    for i in range(1,n + 1):
        if n != i and n % i == 0:
            l.append(i)
    return l

for i in range(1,1001):
    sum = 0
    l = []
    m = num(i)
    if m == []:
        pass
    else:
        for j in m:
            sum += j
        if i == sum:
            print i

参考方法：

#!/usr/bin/python
# -*- coding: UTF-8 -*-

Sn = []
for i in range(2,1001):
    for j in range(1,i):
        if i % j == 0:
            Sn.append(j)
    if i == reduce(lambda x,y : x + y,Sn):
        print i,Sn
    Sn = []

参考：

import numpy as np

for m in range(1,1001):
    n=[1]
    for i in range(2,m):
        if m % i == 0:
            n.append(i)
    if m == np.sum(n):
        print m,n