2499475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 3459600

約数和(自身を除く): 960125

約数列:

[1, 5, 11, 25, 55, 61, 149, 275, 305, 671, 745, 1525, 1639, 3355, 3725, 8195, 9089, 16775, 40975, 45445, 99979, 227225, 499895, 2499475]

約数ペア:

[(1, 2499475), (5, 499895), (11, 227225), (25, 99979), (55, 45445), (61, 40975), (149, 16775), (275, 9089), (305, 8195), (671, 3725), (745, 3355), (1525, 1639)]