Factors / Factors of 439

Factors of 439

1, 439

439 is prime: only factor pair is (1, 439), confirmed by trial division up to √439 ≈ 21.0 turning up nothing else. 439's full pair list is (1, 439), for 2 divisors in total. 439's divisors other than 439 itself sum to just 1, 438 below 439: the common deficient case. 439 is odd, digit sum 16 for 439; none of 2-12 divide 439 evenly. 439 has 2 divisors; 438 has 8 and 440 has 16, so 440 wins here. 439 divided by its largest divisor, 1, gives 439.