【題目敘述】https://zerojudge.tw/ShowProblem?problemid=d010
#include <iostream>
using namespace std;
int main() {
int N;
while (cin >> N) {
int sum = 0;
for (int i = 1; i < N; i++) {
if (N % i == 0)
sum += i;
}
if (sum > N)
cout << "盈數\n";
else if (sum == N)
cout << "完全數\n";
else
cout << "虧數\n";
}
return 0;
}