391025954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{883}}^1\times {\mathrm{20129}}^1$

素因数の和:21025

約数の個数: 16

約数和(自身を含む): 640617120

約数和(自身を除く): 249591166

約数列:

[1, 2, 11, 22, 883, 1766, 9713, 19426, 20129, 40258, 221419, 442838, 17773907, 35547814, 195512977, 391025954]

約数ペア:

[(1, 391025954), (2, 195512977), (11, 35547814), (22, 17773907), (883, 442838), (1766, 221419), (9713, 40258), (19426, 20129)]