28213549

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10691}}^1$

素因数の和:10740

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 7711571

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 10691, 74837, 138983, 310039, 972881, 2170273, 4030507, 28213549]

約数ペア:

[(1, 28213549), (7, 4030507), (13, 2170273), (29, 972881), (91, 310039), (203, 138983), (377, 74837), (2639, 10691)]