Factors / Factors of 158

Factors of 158

1, 2, 79, 158

158 breaks into 2 pairs, tested up to √158 ≈ 12.6; each pair multiplies back to 158 exactly. 158's full pair list is (1, 158), (2, 79), for 4 divisors in total. 158's divisors other than 158 itself sum to just 82, 76 below 158: the common deficient case. 158 is even, digit sum 14 for 158; small divisors of 158 include 2. 158 has 4 divisors; 157 has 2 and 159 has 4, so 158 wins here. 158 divided by its largest divisor, 79, gives 2.