12215119

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3167}}^1$

素因数の和:3222

約数の個数: 16

約数和(自身を含む): 15206400

約数和(自身を除く): 2991281

約数列:

[1, 7, 19, 29, 133, 203, 551, 3167, 3857, 22169, 60173, 91843, 421211, 642901, 1745017, 12215119]

約数ペア:

[(1, 12215119), (7, 1745017), (19, 642901), (29, 421211), (133, 91843), (203, 60173), (551, 22169), (3167, 3857)]