20171213909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2903}}^1\times {\mathrm{90239}}^1$

素因数の和:93160

約数の個数: 16

約数和(自身を含む): 25157468160

約数和(自身を除く): 4986254251

約数列:

[1, 7, 11, 77, 2903, 20321, 31933, 90239, 223531, 631673, 992629, 6948403, 261963817, 1833746719, 2881601987, 20171213909]

約数ペア:

[(1, 20171213909), (7, 2881601987), (11, 1833746719), (77, 261963817), (2903, 6948403), (20321, 992629), (31933, 631673), (90239, 223531)]