Factors / Factors of 312

Factors of 312

1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312

312 breaks into 8 pairs, tested up to √312 ≈ 17.7; each pair multiplies back to 312 exactly. 312's full pair list is (1, 312), (2, 156), (3, 104), (4, 78), (6, 52), (8, 39), (12, 26), (13, 24), for 16 divisors in total. 312's divisors other than 312 itself sum to 528, 216 above 312: abundant. 312 is even, digit sum 6 for 312; small divisors of 312 include 2, 3, 4, 6, 8. 312 has 16 divisors; 311 has 2 and 313 has 2, so 312 wins here. 312 divided by its largest divisor, 156, gives 2.