201917516

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{363161}}^1$

素因数の和:363304

約数の個数: 12

約数和(自身を含む): 355898760

約数和(自身を除く): 153981244

約数列:

[1, 2, 4, 139, 278, 556, 363161, 726322, 1452644, 50479379, 100958758, 201917516]

約数ペア:

[(1, 201917516), (2, 100958758), (4, 50479379), (139, 1452644), (278, 726322), (556, 363161)]