81905218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{14779}}^1$

素因数の和:14961

約数の個数: 16

約数和(自身を含む): 130891680

約数和(自身を除く): 48986462

約数列:

[1, 2, 17, 34, 163, 326, 2771, 5542, 14779, 29558, 251243, 502486, 2408977, 4817954, 40952609, 81905218]

約数ペア:

[(1, 81905218), (2, 40952609), (17, 4817954), (34, 2408977), (163, 502486), (326, 251243), (2771, 29558), (5542, 14779)]