397581584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1461697}}^1$

素因数の和:1461722

約数の個数: 20

約数和(自身を含む): 815627484

約数和(自身を除く): 418045900

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1461697, 2923394, 5846788, 11693576, 23387152, 24848849, 49697698, 99395396, 198790792, 397581584]

約数ペア:

[(1, 397581584), (2, 198790792), (4, 99395396), (8, 49697698), (16, 24848849), (17, 23387152), (34, 11693576), (68, 5846788), (136, 2923394), (272, 1461697)]