81504444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1429}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 223663440

約数和(自身を除く): 142158996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 147, 194, 196, 291, 294, 388, 582, 588, 679, 1164, 1358, 1429, 2037, 2716, 2858, 4074, 4287, 4753, 5716, 8148, 8574, 9506, 10003, 14259, 17148, 19012, 20006, 28518, 30009, 40012, 57036, 60018, 70021, 120036, 138613, 140042, 210063, 277226, 280084, 415839, 420126, 554452, 831678, 840252, 970291, 1663356, 1940582, 2910873, 3881164, 5821746, 6792037, 11643492, 13584074, 20376111, 27168148, 40752222, 81504444]

約数ペア:

[(1, 81504444), (2, 40752222), (3, 27168148), (4, 20376111), (6, 13584074), (7, 11643492), (12, 6792037), (14, 5821746), (21, 3881164), (28, 2910873), (42, 1940582), (49, 1663356), (84, 970291), (97, 840252), (98, 831678), (147, 554452), (194, 420126), (196, 415839), (291, 280084), (294, 277226), (388, 210063), (582, 140042), (588, 138613), (679, 120036), (1164, 70021), (1358, 60018), (1429, 57036), (2037, 40012), (2716, 30009), (2858, 28518), (4074, 20006), (4287, 19012), (4753, 17148), (5716, 14259), (8148, 10003), (8574, 9506)]