Factors / Factors of 522

Factors of 522

1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522

522 breaks into 6 pairs, tested up to √522 ≈ 22.8; each pair multiplies back to 522 exactly. 522's full pair list is (1, 522), (2, 261), (3, 174), (6, 87), (9, 58), (18, 29), for 12 divisors in total. 522's divisors other than 522 itself sum to 648, 126 above 522: abundant. 522 is even, digit sum 9 for 522; small divisors of 522 include 2, 3, 6, 9. 522 has 12 divisors; 521 has 2 and 523 has 2, so 522 wins here. 522 divided by its largest divisor, 261, gives 2.