12865748

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2309}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 25872000

約数和(自身を除く): 13006252

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2309, 2786, 4618, 5572, 9236, 16163, 32326, 64652, 459491, 918982, 1837964, 3216437, 6432874, 12865748]

約数ペア:

[(1, 12865748), (2, 6432874), (4, 3216437), (7, 1837964), (14, 918982), (28, 459491), (199, 64652), (398, 32326), (796, 16163), (1393, 9236), (2309, 5572), (2786, 4618)]