51381475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 66535920

約数和(自身を除く): 15154445

約数列:

[1, 5, 25, 29, 131, 145, 541, 655, 725, 2705, 3275, 3799, 13525, 15689, 18995, 70871, 78445, 94975, 354355, 392225, 1771775, 2055259, 10276295, 51381475]

約数ペア:

[(1, 51381475), (5, 10276295), (25, 2055259), (29, 1771775), (131, 392225), (145, 354355), (541, 94975), (655, 78445), (725, 70871), (2705, 18995), (3275, 15689), (3799, 13525)]