128528774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{13877}}^1$

素因数の和:14311

約数の個数: 16

約数和(自身を含む): 210834576

約数和(自身を除く): 82305802

約数列:

[1, 2, 11, 22, 421, 842, 4631, 9262, 13877, 27754, 152647, 305294, 5842217, 11684434, 64264387, 128528774]

約数ペア:

[(1, 128528774), (2, 64264387), (11, 11684434), (22, 5842217), (421, 305294), (842, 152647), (4631, 27754), (9262, 13877)]