Factors / Factors of 86

Factors of 86

1, 2, 43, 86

86 breaks into 2 pairs, tested up to √86 ≈ 9.3; each pair multiplies back to 86 exactly. 86's full pair list is (1, 86), (2, 43), for 4 divisors in total. 86's divisors other than 86 itself sum to just 46, 40 below 86: the common deficient case. 86 is even, digit sum 14 for 86; small divisors of 86 include 2. 86 has 4 divisors; 85 has 4 and 87 has 4, so 85 wins here. 86 divided by its largest divisor, 43, gives 2.