Factors / Factors of 68

Factors of 68

1, 2, 4, 17, 34, 68

68 breaks into 3 pairs, tested up to √68 ≈ 8.2; each pair multiplies back to 68 exactly. 68's full pair list is (1, 68), (2, 34), (4, 17), for 6 divisors in total. 68's divisors other than 68 itself sum to just 58, 10 below 68: the common deficient case. 68 is even, digit sum 14 for 68; small divisors of 68 include 2, 4. 68 has 6 divisors; 67 has 2 and 69 has 4, so 68 wins here. 68 divided by its largest divisor, 34, gives 2.