28217399

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4019}}^1$

素因数の和:4102

約数の個数: 16

約数和(自身を含む): 34732800

約数和(自身を除く): 6515401

約数列:

[1, 7, 17, 59, 119, 413, 1003, 4019, 7021, 28133, 68323, 237121, 478261, 1659847, 4031057, 28217399]

約数ペア:

[(1, 28217399), (7, 4031057), (17, 1659847), (59, 478261), (119, 237121), (413, 68323), (1003, 28133), (4019, 7021)]