Factors / Factors of 319

Factors of 319

1, 11, 29, 319

319 breaks into 2 pairs, tested up to √319 ≈ 17.9; each pair multiplies back to 319 exactly. 319's full pair list is (1, 319), (11, 29), for 4 divisors in total. 319's divisors other than 319 itself sum to just 41, 278 below 319: the common deficient case. 319 is odd, digit sum 13 for 319; small divisors of 319 include 11. 319 has 4 divisors; 318 has 8 and 320 has 14, so 320 wins here. 319 divided by its largest divisor, 29, gives 11.