28864472

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 68812800

約数和(自身を除く): 39948328

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1279, 1612, 1736, 2558, 2821, 3224, 5116, 5642, 8953, 10232, 11284, 16627, 17906, 22568, 33254, 35812, 39649, 66508, 71624, 79298, 116389, 133016, 158596, 232778, 277543, 317192, 465556, 515437, 555086, 931112, 1030874, 1110172, 2061748, 2220344, 3608059, 4123496, 7216118, 14432236, 28864472]

約数ペア:

[(1, 28864472), (2, 14432236), (4, 7216118), (7, 4123496), (8, 3608059), (13, 2220344), (14, 2061748), (26, 1110172), (28, 1030874), (31, 931112), (52, 555086), (56, 515437), (62, 465556), (91, 317192), (104, 277543), (124, 232778), (182, 158596), (217, 133016), (248, 116389), (364, 79298), (403, 71624), (434, 66508), (728, 39649), (806, 35812), (868, 33254), (1279, 22568), (1612, 17906), (1736, 16627), (2558, 11284), (2821, 10232), (3224, 8953), (5116, 5642)]