128216669

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{25057}}^1$

素因数の和:25124

約数の個数: 16

約数和(自身を含む): 158767488

約数和(自身を除く): 30550819

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 25057, 175399, 425969, 1077451, 2981783, 7542157, 18316667, 128216669]

約数ペア:

[(1, 128216669), (7, 18316667), (17, 7542157), (43, 2981783), (119, 1077451), (301, 425969), (731, 175399), (5117, 25057)]