#include <iostream>
#include <fstream>
#define nmax 100001

using namespace std;

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

long long phi[nmax];
int n,x;

int main()
{
    for (int i=1; i<=nmax; i++)
        phi[i]=i-1;
    for (int i=2; i<=nmax; i++)
        for (int j=2*i; j<=nmax; j+=i)
            phi[j]-=phi[i];
    in >> n;
    while (n)
        n--, in >> x, out << x*phi[x]*2 << "\n";

    return 0;
}