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Cod sursa(job #582247)
#include<fstream>
using namespace std;
ifstream f("ssnd.in"); ofstream g("ssnd.out"); long long prim[10001],ma,i,j; void ciur(long long num) {
for(i=2;i*i<=num;i++) prim[i]=1; for(i=2;i*i<=num;i++) if(prim[i]) for(j=i*i;j*j<=num;j+=i)
prim[j]=0; } long long putere(long long expo) {long long k,p; p=1; for(k=1;k<=expo;k++)
p*=i; return p; } int main() { long long nr,suma; int t,fm,v[1001]; f>>t; for(j=1;j<=t;j++) {f>>v[j]; if(ma<v[j]) ma=v[j];} ciur(ma);
for(j=1;j<=t;j++) { nr=suma=1; if(prim[v[j]]) {nr*=2; suma*=(1+v[j]);} else {i=2; do{fm=0; while(v[j]%i==0)
{fm++; v[j]/=i;} nr*=(fm+1); suma*=(putere(fm+1)-1)/(i-1); if(prim[v[j]]==0 ) i++;
else i=v[j]; } while(v[j]!=1); }g<<nr<<" "<<suma%9973<<'\n';}
}