#include <stdio.h>

int v[1000001];

int main()
{
    FILE *fin,*fout;
    long long n,i,j,x;
    fin=fopen("sum.in","r");
    fout=fopen("sum.out","w");
    fscanf(fin,"%lld", &n);
    for (i=1;i<=100000;i++)
        v[i]=i-1;
    for (i=2;i<=100000;i++)
        for (j=2*i;j<=100000;j+=i)
            v[j]-=v[i];
    for (i=1;i<=n;i++) {
        fscanf(fin,"%lld",&j);
        fprintf(fout,"%lld\n",2*j*v[j]);
    }
    return 0;
}