81510736

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{15391}}^1$

素因数の和:15730

約数の個数: 20

約数和(自身を含む): 158414464

約数和(自身を除く): 76903728

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 15391, 30782, 61564, 123128, 246256, 5094421, 10188842, 20377684, 40755368, 81510736]

約数ペア:

[(1, 81510736), (2, 40755368), (4, 20377684), (8, 10188842), (16, 5094421), (331, 246256), (662, 123128), (1324, 61564), (2648, 30782), (5296, 15391)]