Factors / Factors of 218

Factors of 218

1, 2, 109, 218

218 breaks into 2 pairs, tested up to √218 ≈ 14.8; each pair multiplies back to 218 exactly. 218's full pair list is (1, 218), (2, 109), for 4 divisors in total. 218's divisors other than 218 itself sum to just 112, 106 below 218: the common deficient case. 218 is even, digit sum 11 for 218; small divisors of 218 include 2. 218 has 4 divisors; 217 has 4 and 219 has 4, so 217 wins here. 218 divided by its largest divisor, 109, gives 2.