123824815

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{2243}}^1$

素因数の和:2490

約数の個数: 16

約数和(自身を含む): 151927776

約数和(自身を除く): 28102961

約数列:

[1, 5, 61, 181, 305, 905, 2243, 11041, 11215, 55205, 136823, 405983, 684115, 2029915, 24764963, 123824815]

約数ペア:

[(1, 123824815), (5, 24764963), (61, 2029915), (181, 684115), (305, 405983), (905, 136823), (2243, 55205), (11041, 11215)]