28689108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 78829632

約数和(自身を除く): 50140524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 147, 194, 196, 291, 294, 388, 503, 582, 588, 679, 1006, 1164, 1358, 1509, 2012, 2037, 2716, 3018, 3521, 4074, 4753, 6036, 7042, 8148, 9506, 10563, 14084, 14259, 19012, 21126, 24647, 28518, 42252, 48791, 49294, 57036, 73941, 97582, 98588, 146373, 147882, 195164, 292746, 295764, 341537, 585492, 683074, 1024611, 1366148, 2049222, 2390759, 4098444, 4781518, 7172277, 9563036, 14344554, 28689108]

約数ペア:

[(1, 28689108), (2, 14344554), (3, 9563036), (4, 7172277), (6, 4781518), (7, 4098444), (12, 2390759), (14, 2049222), (21, 1366148), (28, 1024611), (42, 683074), (49, 585492), (84, 341537), (97, 295764), (98, 292746), (147, 195164), (194, 147882), (196, 146373), (291, 98588), (294, 97582), (388, 73941), (503, 57036), (582, 49294), (588, 48791), (679, 42252), (1006, 28518), (1164, 24647), (1358, 21126), (1509, 19012), (2012, 14259), (2037, 14084), (2716, 10563), (3018, 9506), (3521, 8148), (4074, 7042), (4753, 6036)]