Factors / Factors of 356

Factors of 356

1, 2, 4, 89, 178, 356

356 breaks into 3 pairs, tested up to √356 ≈ 18.9; each pair multiplies back to 356 exactly. 356's full pair list is (1, 356), (2, 178), (4, 89), for 6 divisors in total. 356's divisors other than 356 itself sum to just 274, 82 below 356: the common deficient case. 356 is even, digit sum 14 for 356; small divisors of 356 include 2, 4. 356 has 6 divisors; 355 has 4 and 357 has 8, so 357 wins here. 356 divided by its largest divisor, 178, gives 2.