12191389

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 14480128

約数和(自身を除く): 2288739

約数列:

[1, 7, 37, 103, 259, 457, 721, 3199, 3811, 16909, 26677, 47071, 118363, 329497, 1741627, 12191389]

約数ペア:

[(1, 12191389), (7, 1741627), (37, 329497), (103, 118363), (259, 47071), (457, 26677), (721, 16909), (3199, 3811)]