题解 | 完全数计算
完全数计算
https://www.nowcoder.com/practice/7299c12e6abb437c87ad3e712383ff84
n = int(input())
m = 0
for i in range(2, n+1):
res = []
for j in range(1, i):
if i % j == 0:
res.append(j)
if sum(res) == i:
m += 1
print(m)
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