#include <cstdio>

using namespace std;
int n,j,i;
long long phi[100005],x;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(i=1;i<=100000;i++)
        phi[i]=i-1;
    for(i=2;i<=100000;i++)
        for(j=2*i;j<=100000;j+=i)
        phi[j]-=phi[i];
    scanf("%d",&n);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&x);
        printf("%lld\n",2*x*phi[x]);
    }
    return 0;
}