Factors / Factors of 542
Factors of 542
1, 2, 271, 542
542 breaks into 2 pairs, tested up to √542 ≈ 23.3; each pair multiplies back to 542 exactly. 542's full pair list is (1, 542), (2, 271), for 4 divisors in total. 542's divisors other than 542 itself sum to just 274, 268 below 542: the common deficient case. 542 is even, digit sum 11 for 542; small divisors of 542 include 2. 542 has 4 divisors; 541 has 2 and 543 has 4, so 542 wins here. 542 divided by its largest divisor, 271, gives 2.