28499891

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 33415680

約数和(自身を除く): 4915789

約数列:

[1, 7, 59, 151, 413, 457, 1057, 3199, 8909, 26963, 62363, 69007, 188741, 483049, 4071413, 28499891]

約数ペア:

[(1, 28499891), (7, 4071413), (59, 483049), (151, 188741), (413, 69007), (457, 62363), (1057, 26963), (3199, 8909)]