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Cod sursa(job #973101)
#include <cstdio>
using namespace std;
int cx,cy,y, r, n,s,i,x;
int main() {
freopen("sum.in", "r",stdin);
freopen("sum.out", "w",stdout);
scanf ("%d", &n);
for (i=1; i<=n; i++){
s=1;
scanf ("%d", &x);
cx=x;
for (y=2; y<=2*x; y++){
cy=y;
cx=x;
while(cx!=0){
r=cy%cx;
cy=cx;
cx=r;
}
if (cy==1) s+=y;
}
printf ("%d\n", s);
}
return 0;
}