Factors / Factors of 259

Factors of 259

1, 7, 37, 259

259 breaks into 2 pairs, tested up to √259 ≈ 16.1; each pair multiplies back to 259 exactly. 259's full pair list is (1, 259), (7, 37), for 4 divisors in total. 259's divisors other than 259 itself sum to just 45, 214 below 259: the common deficient case. 259 is odd, digit sum 16 for 259; small divisors of 259 include 7. 259 has 4 divisors; 258 has 8 and 260 has 12, so 260 wins here. 259 divided by its largest divisor, 37, gives 7.