128304862

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{213131}}^1$

素因数の和:213183

約数の個数: 16

約数和(自身を含む): 225067392

約数和(自身を除く): 96762530

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 213131, 426262, 1491917, 2983834, 9164633, 18329266, 64152431, 128304862]

約数ペア:

[(1, 128304862), (2, 64152431), (7, 18329266), (14, 9164633), (43, 2983834), (86, 1491917), (301, 426262), (602, 213131)]