Factors / Factors of 506

Factors of 506

1, 2, 11, 22, 23, 46, 253, 506

506 breaks into 4 pairs, tested up to √506 ≈ 22.5; each pair multiplies back to 506 exactly. 506's full pair list is (1, 506), (2, 253), (11, 46), (22, 23), for 8 divisors in total. 506's divisors other than 506 itself sum to just 358, 148 below 506: the common deficient case. 506 is even, digit sum 11 for 506; small divisors of 506 include 2, 11. 506 has 8 divisors; 505 has 4 and 507 has 6, so 506 wins here. 506 divided by its largest divisor, 253, gives 2.