Factors / Factors of 497

Factors of 497

1, 7, 71, 497

497 breaks into 2 pairs, tested up to √497 ≈ 22.3; each pair multiplies back to 497 exactly. 497's full pair list is (1, 497), (7, 71), for 4 divisors in total. 497's divisors other than 497 itself sum to just 79, 418 below 497: the common deficient case. 497 is odd, digit sum 20 for 497; small divisors of 497 include 7. 497 has 4 divisors; 496 has 10 and 498 has 8, so 496 wins here. 497 divided by its largest divisor, 71, gives 7.