#include <fstream>
#include <cmath>
using namespace std;

int main()
{
    int T, N, num;
    long long  phi;

    int x[] = { 0, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317 };

	int t, i, lim, CN;

	ifstream fin("sum.in");
	ofstream fout("sum.out");

//	scanf("%d", &T);
	fin >> T;
	for (t = 1; t <= T; t++)
	{
//		scanf("%d", &N);
        fin >> N;

		phi = N;
		lim = sqrt((double) N);
		CN = N;

		for ( i = 1; x[i] <= lim && CN > 1; i++)
			if ( CN % x[i] == 0)
			{
//				phi = phi / x[i];
				phi = phi / x[i] * ( x[i] - 1);
				while ( CN > 1 && CN % x[i] == 0 )
					CN /= x[i];
			}
		if ( CN > 1)
		{
			phi = phi / CN;
			phi = phi * (CN - 1);
		}

		fout << ( N << 1) * phi << '\n';

	}

	return 0;
}