# include <fstream>

using namespace std;

const int MAX_N = 200000;
int phi[1 + MAX_N];


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

    for ( int i = 2; i <= MAX_N; i ++ )
        phi[i] = i;
    for ( int i = 2; i <= MAX_N; i ++ )
        if ( phi[i] == i )
            for ( int j = i; j <= MAX_N; j += i )
                phi[j] -= phi[j] / i;

    int n;
    fin >> n;

    for ( int i = 0; i < n; i ++ ) {
        int x;
        fin >> x;
        fout << ( long long ) phi[x] * x * 2 << '\n';
    }

    fin.close();
    fout.close();

    return 0;
}