81991120106

素因数分解:

$2^1\times 7^1\times {\mathrm{5479}}^1\times {\mathrm{1068901}}^1$

素因数の和:1074389

約数の個数: 16

約数和(自身を含む): 140581991040

約数和(自身を除く): 58590870934

約数列:

[1, 2, 7, 14, 5479, 10958, 38353, 76706, 1068901, 2137802, 7482307, 14964614, 5856508579, 11713017158, 40995560053, 81991120106]

約数ペア:

[(1, 81991120106), (2, 40995560053), (7, 11713017158), (14, 5856508579), (5479, 14964614), (10958, 7482307), (38353, 2137802), (76706, 1068901)]