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Cod sursa(job #408665)
#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("sumdiv.in");
ofstream fout("sumdiv.out");
int main()
{
int a, b, s = 0, n = 0;;
fin >> a >> b;
n = pow ( (double) a, (double) b );
for ( int i = 1; i <= n/2; i++ )
if ( n % i == 0 )
s += i;
if ( s )
s += n;
fout << s % 9901;
fin.close();
fout.close();
return 0;
}