80971828

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{99719}}^1$

素因数の和:99759

約数の個数: 24

約数和(自身を含む): 167529600

約数和(自身を除く): 86557772

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 99719, 199438, 398876, 698033, 1396066, 2792132, 2891851, 5783702, 11567404, 20242957, 40485914, 80971828]

約数ペア:

[(1, 80971828), (2, 40485914), (4, 20242957), (7, 11567404), (14, 5783702), (28, 2891851), (29, 2792132), (58, 1396066), (116, 698033), (203, 398876), (406, 199438), (812, 99719)]