Factors / Factors of 199

Factors of 199

1, 199

199 is prime: only factor pair is (1, 199), confirmed by trial division up to √199 ≈ 14.1 turning up nothing else. 199's full pair list is (1, 199), for 2 divisors in total. 199's divisors other than 199 itself sum to just 1, 198 below 199: the common deficient case. 199 is odd, digit sum 19 for 199; none of 2-12 divide 199 evenly. 199 has 2 divisors; 198 has 12 and 200 has 12, so 198 wins here. 199 divided by its largest divisor, 1, gives 199.