261558872

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{113131}}^1$

素因数の和:113171

約数の個数: 24

約数和(自身を含む): 520972860

約数和(自身を除く): 259413988

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 113131, 226262, 452524, 905048, 1923227, 3846454, 7692908, 15385816, 32694859, 65389718, 130779436, 261558872]

約数ペア:

[(1, 261558872), (2, 130779436), (4, 65389718), (8, 32694859), (17, 15385816), (34, 7692908), (68, 3846454), (136, 1923227), (289, 905048), (578, 452524), (1156, 226262), (2312, 113131)]