9899858

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:529

約数の個数: 16

約数和(自身を含む): 15120000

約数和(自身を除く): 5220142

約数列:

[1, 2, 139, 149, 239, 278, 298, 478, 20711, 33221, 35611, 41422, 66442, 71222, 4949929, 9899858]

約数ペア:

[(1, 9899858), (2, 4949929), (139, 71222), (149, 66442), (239, 41422), (278, 35611), (298, 33221), (478, 20711)]