Factors / Factors of 163

Factors of 163

1, 163

163 is prime: only factor pair is (1, 163), confirmed by trial division up to √163 ≈ 12.8 turning up nothing else. 163's full pair list is (1, 163), for 2 divisors in total. 163's divisors other than 163 itself sum to just 1, 162 below 163: the common deficient case. 163 is odd, digit sum 10 for 163; none of 2-12 divide 163 evenly. 163 has 2 divisors; 162 has 10 and 164 has 6, so 162 wins here. 163 divided by its largest divisor, 1, gives 163.