161490352

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{142157}}^1$

素因数の和:142236

約数の個数: 20

約数和(自身を含む): 317296656

約数和(自身を除く): 155806304

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 142157, 284314, 568628, 1137256, 2274512, 10093147, 20186294, 40372588, 80745176, 161490352]

約数ペア:

[(1, 161490352), (2, 80745176), (4, 40372588), (8, 20186294), (16, 10093147), (71, 2274512), (142, 1137256), (284, 568628), (568, 284314), (1136, 142157)]