Factors / Factors of 328

Factors of 328

1, 2, 4, 8, 41, 82, 164, 328

328 breaks into 4 pairs, tested up to √328 ≈ 18.1; each pair multiplies back to 328 exactly. 328's full pair list is (1, 328), (2, 164), (4, 82), (8, 41), for 8 divisors in total. 328's divisors other than 328 itself sum to just 302, 26 below 328: the common deficient case. 328 is even, digit sum 13 for 328; small divisors of 328 include 2, 4, 8. 328 has 8 divisors; 327 has 4 and 329 has 4, so 328 wins here. 328 divided by its largest divisor, 164, gives 2.