12642868

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2269}}^1$

素因数の和:2479

約数の個数: 24

約数和(自身を含む): 25424000

約数和(自身を除く): 12781132

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2269, 2786, 4538, 5572, 9076, 15883, 31766, 63532, 451531, 903062, 1806124, 3160717, 6321434, 12642868]

約数ペア:

[(1, 12642868), (2, 6321434), (4, 3160717), (7, 1806124), (14, 903062), (28, 451531), (199, 63532), (398, 31766), (796, 15883), (1393, 9076), (2269, 5572), (2786, 4538)]