81486409818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1\times {\mathrm{20323}}^1$

素因数の和:21187

約数の個数: 64

約数和(自身を含む): 180282009600

約数和(自身を除く): 98795599782

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 158, 237, 474, 769, 869, 1538, 1738, 2307, 2607, 4614, 5214, 8459, 16918, 20323, 25377, 40646, 50754, 60751, 60969, 121502, 121938, 182253, 223553, 364506, 447106, 668261, 670659, 1336522, 1341318, 1605517, 2004783, 3211034, 4009566, 4816551, 9633102, 15628387, 17660687, 31256774, 35321374, 46885161, 52982061, 93770322, 105964122, 171912257, 343824514, 515736771, 1031473542, 1234642573, 2469285146, 3703927719, 7407855438, 13581068303, 27162136606, 40743204909, 81486409818]

約数ペア:

[(1, 81486409818), (2, 40743204909), (3, 27162136606), (6, 13581068303), (11, 7407855438), (22, 3703927719), (33, 2469285146), (66, 1234642573), (79, 1031473542), (158, 515736771), (237, 343824514), (474, 171912257), (769, 105964122), (869, 93770322), (1538, 52982061), (1738, 46885161), (2307, 35321374), (2607, 31256774), (4614, 17660687), (5214, 15628387), (8459, 9633102), (16918, 4816551), (20323, 4009566), (25377, 3211034), (40646, 2004783), (50754, 1605517), (60751, 1341318), (60969, 1336522), (121502, 670659), (121938, 668261), (182253, 447106), (223553, 364506)]