3.진약수의합
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#include <iostream>
using namespace std;
int main() {
int n, i, sum =1;
cin>>n;
cout<<"1";
for(i=2; i<n; i++){
if(n%i==0){
cout<<" + " <<i;
sum = sum+i;
}
}
cout << " = "<<sum;;
return 0;
}
Cpp
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