258960008

素因数分解:

$2^3\times {\mathrm{1723}}^1\times {\mathrm{18787}}^1$

素因数の和:20516

約数の個数: 16

約数和(自身を含む): 485857680

約数和(自身を除く): 226897672

約数列:

[1, 2, 4, 8, 1723, 3446, 6892, 13784, 18787, 37574, 75148, 150296, 32370001, 64740002, 129480004, 258960008]

約数ペア:

[(1, 258960008), (2, 129480004), (4, 64740002), (8, 32370001), (1723, 150296), (3446, 75148), (6892, 37574), (13784, 18787)]