Factors / Factors of 164

Factors of 164

1, 2, 4, 41, 82, 164

164 breaks into 3 pairs, tested up to √164 ≈ 12.8; each pair multiplies back to 164 exactly. 164's full pair list is (1, 164), (2, 82), (4, 41), for 6 divisors in total. 164's divisors other than 164 itself sum to just 130, 34 below 164: the common deficient case. 164 is even, digit sum 11 for 164; small divisors of 164 include 2, 4. 164 has 6 divisors; 163 has 2 and 165 has 8, so 165 wins here. 164 divided by its largest divisor, 82, gives 2.