12787726

素因数分解:

$2^1\times 7^4\times {\mathrm{2663}}^1$

素因数の和:2693

約数の個数: 20

約数和(自身を含む): 22385592

約数和(自身を除く): 9597866

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 2663, 4802, 5326, 18641, 37282, 130487, 260974, 913409, 1826818, 6393863, 12787726]

約数ペア:

[(1, 12787726), (2, 6393863), (7, 1826818), (14, 913409), (49, 260974), (98, 130487), (343, 37282), (686, 18641), (2401, 5326), (2663, 4802)]