71128561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20611}}^1$

素因数の和:20664

約数の個数: 16

約数和(自身を含む): 89043840

約数和(自身を除く): 17915279

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 20611, 144277, 350387, 597719, 2452709, 4184033, 10161223, 71128561]

約数ペア:

[(1, 71128561), (7, 10161223), (17, 4184033), (29, 2452709), (119, 597719), (203, 350387), (493, 144277), (3451, 20611)]