28909741

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 35130240

約数和(自身を除く): 6220499

約数列:

[1, 7, 17, 119, 379, 641, 2653, 4487, 6443, 10897, 45101, 76279, 242939, 1700573, 4129963, 28909741]

約数ペア:

[(1, 28909741), (7, 4129963), (17, 1700573), (119, 242939), (379, 76279), (641, 45101), (2653, 10897), (4487, 6443)]