Factors / Factors of 437

Factors of 437

1, 19, 23, 437

437 breaks into 2 pairs, tested up to √437 ≈ 20.9; each pair multiplies back to 437 exactly. 437's full pair list is (1, 437), (19, 23), for 4 divisors in total. 437's divisors other than 437 itself sum to just 43, 394 below 437: the common deficient case. 437 is odd, digit sum 14 for 437; none of 2-12 divide 437 evenly. 437 has 4 divisors; 436 has 6 and 438 has 8, so 438 wins here. 437 divided by its largest divisor, 23, gives 19.