40215217

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 49552256

約数和(自身を除く): 9337039

約数列:

[1, 7, 17, 103, 119, 193, 289, 721, 1351, 1751, 2023, 3281, 12257, 19879, 22967, 29767, 55777, 139153, 208369, 337943, 390439, 2365601, 5745031, 40215217]

約数ペア:

[(1, 40215217), (7, 5745031), (17, 2365601), (103, 390439), (119, 337943), (193, 208369), (289, 139153), (721, 55777), (1351, 29767), (1751, 22967), (2023, 19879), (3281, 12257)]