128962876

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{112337}}^1$

素因数の和:112389

約数の個数: 24

約数和(自身を含む): 264218976

約数和(自身を除く): 135256100

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 112337, 224674, 449348, 786359, 1572718, 3145436, 4605817, 9211634, 18423268, 32240719, 64481438, 128962876]

約数ペア:

[(1, 128962876), (2, 64481438), (4, 32240719), (7, 18423268), (14, 9211634), (28, 4605817), (41, 3145436), (82, 1572718), (164, 786359), (287, 449348), (574, 224674), (1148, 112337)]