题解 | #完全数计算#
import sys
def isPerfect(n):
s=0
for i in range(1, n):
if n%i==0:
s+=i
if s==n:
return True
else:
return False
for line in sys.stdin:
m=int(line[:-1])
count=0
for i in range(1, m+1):
if isPerfect(i):
count+=1
print(count) 
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