82668016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{120157}}^1$

素因数の和:120208

約数の個数: 20

約数和(自身を含む): 163895512

約数和(自身を除く): 81227496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 120157, 240314, 480628, 961256, 1922512, 5166751, 10333502, 20667004, 41334008, 82668016]

約数ペア:

[(1, 82668016), (2, 41334008), (4, 20667004), (8, 10333502), (16, 5166751), (43, 1922512), (86, 961256), (172, 480628), (344, 240314), (688, 120157)]