12942290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9311}}^1$

素因数の和:9457

約数の個数: 16

約数和(自身を含む): 23466240

約数和(自身を除く): 10523950

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 9311, 18622, 46555, 93110, 1294229, 2588458, 6471145, 12942290]

約数ペア:

[(1, 12942290), (2, 6471145), (5, 2588458), (10, 1294229), (139, 93110), (278, 46555), (695, 18622), (1390, 9311)]