12720002

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:817

約数の個数: 16

約数和(自身を含む): 19625760

約数和(自身を除く): 6905758

約数列:

[1, 2, 43, 86, 353, 419, 706, 838, 15179, 18017, 30358, 36034, 147907, 295814, 6360001, 12720002]

約数ペア:

[(1, 12720002), (2, 6360001), (43, 295814), (86, 147907), (353, 36034), (419, 30358), (706, 18017), (838, 15179)]