const N = +require('fs').readFileSync('/dev/stdin', 'utf8');
let count = last = 0;
for (let i = 1; i < N; i++) {
  if (!(N % i)) {
    if (last * i === N) break;
    last = i;
    count++;
    if (i ** 2 === N) break;
  }
};
console.log(last ** 2 === N ? count * 2 - 1 : count * 2);