28119715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22769}}^1$

素因数の和:22806

約数の個数: 16

約数和(自身を含む): 38253600

約数和(自身を除く): 10133885

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 22769, 113845, 295997, 432611, 1479985, 2163055, 5623943, 28119715]

約数ペア:

[(1, 28119715), (5, 5623943), (13, 2163055), (19, 1479985), (65, 432611), (95, 295997), (247, 113845), (1235, 22769)]