12666892

素因数分解:

$2^2\times 7^2\times {\mathrm{64627}}^1$

素因数の和:64645

約数の個数: 18

約数和(自身を含む): 25786572

約数和(自身を除く): 13119680

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 64627, 129254, 258508, 452389, 904778, 1809556, 3166723, 6333446, 12666892]

約数ペア:

[(1, 12666892), (2, 6333446), (4, 3166723), (7, 1809556), (14, 904778), (28, 452389), (49, 258508), (98, 129254), (196, 64627)]