12861128

素因数分解:

$2^3\times 7^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 29040000

約数和(自身を除く): 16178872

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 109, 172, 196, 218, 301, 343, 344, 392, 436, 602, 686, 763, 872, 1204, 1372, 1526, 2107, 2408, 2744, 3052, 4214, 4687, 5341, 6104, 8428, 9374, 10682, 14749, 16856, 18748, 21364, 29498, 32809, 37387, 37496, 42728, 58996, 65618, 74774, 117992, 131236, 149548, 229663, 262472, 299096, 459326, 918652, 1607641, 1837304, 3215282, 6430564, 12861128]

約数ペア:

[(1, 12861128), (2, 6430564), (4, 3215282), (7, 1837304), (8, 1607641), (14, 918652), (28, 459326), (43, 299096), (49, 262472), (56, 229663), (86, 149548), (98, 131236), (109, 117992), (172, 74774), (196, 65618), (218, 58996), (301, 42728), (343, 37496), (344, 37387), (392, 32809), (436, 29498), (602, 21364), (686, 18748), (763, 16856), (872, 14749), (1204, 10682), (1372, 9374), (1526, 8428), (2107, 6104), (2408, 5341), (2744, 4687), (3052, 4214)]