28685890

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{6277}}^1$

素因数の和:6741

約数の個数: 16

約数和(自身を含む): 51755832

約数和(自身を除く): 23069942

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 6277, 12554, 31385, 62770, 2868589, 5737178, 14342945, 28685890]

約数ペア:

[(1, 28685890), (2, 14342945), (5, 5737178), (10, 2868589), (457, 62770), (914, 31385), (2285, 12554), (4570, 6277)]