389801905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{86719}}^1$

素因数の和:86784

約数の個数: 16

約数和(自身を含む): 499507200

約数和(自身を除く): 109705295

約数列:

[1, 5, 29, 31, 145, 155, 899, 4495, 86719, 433595, 2514851, 2688289, 12574255, 13441445, 77960381, 389801905]

約数ペア:

[(1, 389801905), (5, 77960381), (29, 13441445), (31, 12574255), (145, 2688289), (155, 2514851), (899, 433595), (4495, 86719)]