28207256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 68256000

約数和(自身を除く): 40048744

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 116, 154, 203, 232, 308, 319, 406, 616, 638, 812, 1276, 1579, 1624, 2233, 2552, 3158, 4466, 6316, 8932, 11053, 12632, 17369, 17864, 22106, 34738, 44212, 45791, 69476, 88424, 91582, 121583, 138952, 183164, 243166, 320537, 366328, 486332, 503701, 641074, 972664, 1007402, 1282148, 2014804, 2564296, 3525907, 4029608, 7051814, 14103628, 28207256]

約数ペア:

[(1, 28207256), (2, 14103628), (4, 7051814), (7, 4029608), (8, 3525907), (11, 2564296), (14, 2014804), (22, 1282148), (28, 1007402), (29, 972664), (44, 641074), (56, 503701), (58, 486332), (77, 366328), (88, 320537), (116, 243166), (154, 183164), (203, 138952), (232, 121583), (308, 91582), (319, 88424), (406, 69476), (616, 45791), (638, 44212), (812, 34738), (1276, 22106), (1579, 17864), (1624, 17369), (2233, 12632), (2552, 11053), (3158, 8932), (4466, 6316)]