40540493

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 49384800

約数和(自身を除く): 8844307

約数列:

[1, 7, 37, 49, 59, 259, 379, 413, 1813, 2183, 2653, 2891, 14023, 15281, 18571, 22361, 98161, 106967, 156527, 687127, 827357, 1095689, 5791499, 40540493]

約数ペア:

[(1, 40540493), (7, 5791499), (37, 1095689), (49, 827357), (59, 687127), (259, 156527), (379, 106967), (413, 98161), (1813, 22361), (2183, 18571), (2653, 15281), (2891, 14023)]