398231696

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{164831}}^1$

素因数の和:164990

約数の個数: 20

約数和(自身を含む): 776688384

約数和(自身を除く): 378456688

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 164831, 329662, 659324, 1318648, 2637296, 24889481, 49778962, 99557924, 199115848, 398231696]

約数ペア:

[(1, 398231696), (2, 199115848), (4, 99557924), (8, 49778962), (16, 24889481), (151, 2637296), (302, 1318648), (604, 659324), (1208, 329662), (2416, 164831)]