81730818

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 207567360

約数和(自身を除く): 125836542

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 117, 171, 186, 234, 247, 279, 342, 403, 494, 558, 589, 593, 741, 806, 1178, 1186, 1209, 1482, 1767, 1779, 2223, 2418, 3534, 3558, 3627, 4446, 5301, 5337, 7254, 7657, 7709, 10602, 10674, 11267, 15314, 15418, 18383, 22534, 22971, 23127, 33801, 36766, 45942, 46254, 55149, 67602, 68913, 69381, 101403, 110298, 137826, 138762, 146471, 165447, 202806, 238979, 292942, 330894, 349277, 439413, 477958, 698554, 716937, 878826, 1047831, 1318239, 1433874, 2095662, 2150811, 2636478, 3143493, 4301622, 4540601, 6286986, 9081202, 13621803, 27243606, 40865409, 81730818]

約数ペア:

[(1, 81730818), (2, 40865409), (3, 27243606), (6, 13621803), (9, 9081202), (13, 6286986), (18, 4540601), (19, 4301622), (26, 3143493), (31, 2636478), (38, 2150811), (39, 2095662), (57, 1433874), (62, 1318239), (78, 1047831), (93, 878826), (114, 716937), (117, 698554), (171, 477958), (186, 439413), (234, 349277), (247, 330894), (279, 292942), (342, 238979), (403, 202806), (494, 165447), (558, 146471), (589, 138762), (593, 137826), (741, 110298), (806, 101403), (1178, 69381), (1186, 68913), (1209, 67602), (1482, 55149), (1767, 46254), (1779, 45942), (2223, 36766), (2418, 33801), (3534, 23127), (3558, 22971), (3627, 22534), (4446, 18383), (5301, 15418), (5337, 15314), (7254, 11267), (7657, 10674), (7709, 10602)]