12999896

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 30547440

約数和(自身を除く): 17547544

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 2551, 5096, 5102, 10204, 17857, 20408, 33163, 35714, 66326, 71428, 124999, 132652, 142856, 232141, 249998, 265304, 464282, 499996, 928564, 999992, 1624987, 1857128, 3249974, 6499948, 12999896]

約数ペア:

[(1, 12999896), (2, 6499948), (4, 3249974), (7, 1857128), (8, 1624987), (13, 999992), (14, 928564), (26, 499996), (28, 464282), (49, 265304), (52, 249998), (56, 232141), (91, 142856), (98, 132652), (104, 124999), (182, 71428), (196, 66326), (364, 35714), (392, 33163), (637, 20408), (728, 17857), (1274, 10204), (2548, 5102), (2551, 5096)]