Factors / Factors of 526

Factors of 526

1, 2, 263, 526

526 breaks into 2 pairs, tested up to √526 ≈ 22.9; each pair multiplies back to 526 exactly. 526's full pair list is (1, 526), (2, 263), for 4 divisors in total. 526's divisors other than 526 itself sum to just 266, 260 below 526: the common deficient case. 526 is even, digit sum 13 for 526; small divisors of 526 include 2. 526 has 4 divisors; 525 has 12 and 527 has 4, so 525 wins here. 526 divided by its largest divisor, 263, gives 2.