28396788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1087}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 76038144

約数和(自身を除く): 47641356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 311, 622, 933, 1087, 1244, 1866, 2174, 2177, 3261, 3732, 4348, 4354, 6522, 6531, 7609, 8708, 13044, 13062, 15218, 22827, 26124, 30436, 45654, 91308, 338057, 676114, 1014171, 1352228, 2028342, 2366399, 4056684, 4732798, 7099197, 9465596, 14198394, 28396788]

約数ペア:

[(1, 28396788), (2, 14198394), (3, 9465596), (4, 7099197), (6, 4732798), (7, 4056684), (12, 2366399), (14, 2028342), (21, 1352228), (28, 1014171), (42, 676114), (84, 338057), (311, 91308), (622, 45654), (933, 30436), (1087, 26124), (1244, 22827), (1866, 15218), (2174, 13062), (2177, 13044), (3261, 8708), (3732, 7609), (4348, 6531), (4354, 6522)]