256475643

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{3847}}^1$

素因数の和:4234

約数の個数: 16

約数和(自身を含む): 347982336

約数和(自身を除く): 91506693

約数列:

[1, 3, 71, 213, 313, 939, 3847, 11541, 22223, 66669, 273137, 819411, 1204111, 3612333, 85491881, 256475643]

約数ペア:

[(1, 256475643), (3, 85491881), (71, 3612333), (213, 1204111), (313, 819411), (939, 273137), (3847, 66669), (11541, 22223)]