12718510945

素因数分解:

$5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{809323}}^1$

素因数の和:809784

約数の個数: 16

約数和(自身を含む): 17481398400

約数和(自身を除く): 4762887455

約数列:

[1, 5, 7, 35, 449, 2245, 3143, 15715, 809323, 4046615, 5665261, 28326305, 363386027, 1816930135, 2543702189, 12718510945]

約数ペア:

[(1, 12718510945), (5, 2543702189), (7, 1816930135), (35, 363386027), (449, 28326305), (2245, 5665261), (3143, 4046615), (15715, 809323)]