Factors / Factors of 266

Factors of 266

1, 2, 7, 14, 19, 38, 133, 266

266 breaks into 4 pairs, tested up to √266 ≈ 16.3; each pair multiplies back to 266 exactly. 266's full pair list is (1, 266), (2, 133), (7, 38), (14, 19), for 8 divisors in total. 266's divisors other than 266 itself sum to just 214, 52 below 266: the common deficient case. 266 is even, digit sum 14 for 266; small divisors of 266 include 2, 7. 266 has 8 divisors; 265 has 4 and 267 has 4, so 266 wins here. 266 divided by its largest divisor, 133, gives 2.