398223505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{25667}}^1$

素因数の和:25808

約数の個数: 16

約数和(自身を含む): 498985920

約数和(自身を除く): 100762415

約数列:

[1, 5, 29, 107, 145, 535, 3103, 15515, 25667, 128335, 744343, 2746369, 3721715, 13731845, 79644701, 398223505]

約数ペア:

[(1, 398223505), (5, 79644701), (29, 13731845), (107, 3721715), (145, 2746369), (535, 744343), (3103, 128335), (15515, 25667)]