128076016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{186157}}^1$

素因数の和:186208

約数の個数: 20

約数和(自身を含む): 253919512

約数和(自身を除く): 125843496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 186157, 372314, 744628, 1489256, 2978512, 8004751, 16009502, 32019004, 64038008, 128076016]

約数ペア:

[(1, 128076016), (2, 64038008), (4, 32019004), (8, 16009502), (16, 8004751), (43, 2978512), (86, 1489256), (172, 744628), (344, 372314), (688, 186157)]