262273525

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 330057000

約数和(自身を除く): 67783475

約数列:

[1, 5, 25, 149, 181, 389, 745, 905, 1945, 3725, 4525, 9725, 26969, 57961, 70409, 134845, 289805, 352045, 674225, 1449025, 1760225, 10490941, 52454705, 262273525]

約数ペア:

[(1, 262273525), (5, 52454705), (25, 10490941), (149, 1760225), (181, 1449025), (389, 674225), (745, 352045), (905, 289805), (1945, 134845), (3725, 70409), (4525, 57961), (9725, 26969)]