const N = +require('fs').readFileSync('/dev/stdin', 'utf8');
const arr = [];
for (let i = 1; i <= Math.sqrt(N); i++) {
  if (N % i == 0) {
    arr.push(String(i) + String(N / i));
    arr.push(String(N / i) + String(i));
  }
}
console.log([...new Set(arr)].length);