python怎么找出一千以内的完数

完数是指一个正整数的所有因子（包括1，不包括自身）的和等于这个数本身。下面是一个Python程序，用来找出一千以内的完数：

def find_perfect_numbers(limit):     perfect_numbers = []     for num in range(1, limit):         factors = []         for i in range(1, num):             if num % i == 0:                 factors.append(i)         if sum(factors) == num:             perfect_numbers.append(num)     return perfect_numbers  limit = 1000 perfect_numbers = find_perfect_numbers(limit)  print("Perfect numbers within 1000:") for num in perfect_numbers:     print(num) 

运行这个程序，就可以找到一千以内的完数。