159573668

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{287003}}^1$

素因数の和:287146

約数の個数: 12

約数和(自身を含む): 281263920

約数和(自身を除く): 121690252

約数列:

[1, 2, 4, 139, 278, 556, 287003, 574006, 1148012, 39893417, 79786834, 159573668]

約数ペア:

[(1, 159573668), (2, 79786834), (4, 39893417), (139, 1148012), (278, 574006), (556, 287003)]