28031556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1087}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 75063296

約数和(自身を除く): 47031740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 307, 614, 921, 1087, 1228, 1842, 2149, 2174, 3261, 3684, 4298, 4348, 6447, 6522, 7609, 8596, 12894, 13044, 15218, 22827, 25788, 30436, 45654, 91308, 333709, 667418, 1001127, 1334836, 2002254, 2335963, 4004508, 4671926, 7007889, 9343852, 14015778, 28031556]

約数ペア:

[(1, 28031556), (2, 14015778), (3, 9343852), (4, 7007889), (6, 4671926), (7, 4004508), (12, 2335963), (14, 2002254), (21, 1334836), (28, 1001127), (42, 667418), (84, 333709), (307, 91308), (614, 45654), (921, 30436), (1087, 25788), (1228, 22827), (1842, 15218), (2149, 13044), (2174, 12894), (3261, 8596), (3684, 7609), (4298, 6522), (4348, 6447)]