#include<fstream>
#include<iostream>
using namespace std;
long long phi[1000000],sum[1000000];

inline void solve()
{

    long long i,j;

    for ( i=1; i<=100001; i++)
        phi[i]=i;

    for (i=2;i<=100001;i++)
        if (phi[i]==i)
            for (j=i;j<=100001;j+=i) phi[j] /=i, phi[j] *= (i-1);
}
int main()
{
    ifstream in("sum.in");
    ofstream out("sum.out");
    long long T,n;
    in>>T;
    solve();
    for(; T ; --T )
    {
    in>>n;
    out<<2*n*phi[n]<<"\n";
    }
    in.close();
    out.close();
    return 0;
}