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

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

#define maxn 100001

int phi[maxn] ;

int N ;

int main()
{
    for(int i = 1; i <= maxn; ++i )
        phi[i] = i - 1 ;

    for(int i = 2; i <= maxn; ++i )
        for(int j = 2 * i; j <= maxn; j += i )
            phi[j] -= phi[i] ;

    fin >> N ;

    while( N-- )
    {
        int X ;
        fin >> X ;

        int sol = X * phi[X] * 2 ;

        fout << sol << "\n" ;
    }

    return 0 ;
}