389319992

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{168391}}^1$

素因数の和:168431

約数の個数: 24

約数和(自身を含む): 775445160

約数和(自身を除く): 386125168

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 168391, 336782, 673564, 1347128, 2862647, 5725294, 11450588, 22901176, 48664999, 97329998, 194659996, 389319992]

約数ペア:

[(1, 389319992), (2, 194659996), (4, 97329998), (8, 48664999), (17, 22901176), (34, 11450588), (68, 5725294), (136, 2862647), (289, 1347128), (578, 673564), (1156, 336782), (2312, 168391)]