138908092

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{489113}}^1$

素因数の和:489188

約数の個数: 12

約数和(自身を含む): 246513456

約数和(自身を除く): 107605364

約数列:

[1, 2, 4, 71, 142, 284, 489113, 978226, 1956452, 34727023, 69454046, 138908092]

約数ペア:

[(1, 138908092), (2, 69454046), (4, 34727023), (71, 1956452), (142, 978226), (284, 489113)]