128941808

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{42193}}^1$

素因数の和:42392

約数の個数: 20

約数和(自身を含む): 251138688

約数和(自身を除く): 122196880

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 42193, 84386, 168772, 337544, 675088, 8058863, 16117726, 32235452, 64470904, 128941808]

約数ペア:

[(1, 128941808), (2, 64470904), (4, 32235452), (8, 16117726), (16, 8058863), (191, 675088), (382, 337544), (764, 168772), (1528, 84386), (3056, 42193)]