217256298

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 562904640

約数和(自身を除く): 345648342

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 49, 57, 69, 89, 98, 114, 133, 138, 147, 161, 178, 266, 267, 294, 322, 361, 399, 437, 483, 534, 623, 722, 798, 874, 931, 966, 1083, 1127, 1246, 1311, 1691, 1862, 1869, 2047, 2166, 2254, 2527, 2622, 2793, 3059, 3381, 3382, 3738, 4094, 4361, 5054, 5073, 5586, 6118, 6141, 6762, 7581, 8303, 8722, 9177, 10146, 11837, 12282, 13083, 14329, 15162, 16606, 17689, 18354, 21413, 23674, 24909, 26166, 28658, 32129, 35378, 35511, 38893, 42826, 42987, 49818, 53067, 58121, 64239, 64258, 71022, 77786, 82859, 85974, 96387, 100303, 106134, 116242, 116679, 128478, 165718, 174363, 192774, 200606, 224903, 233358, 248577, 272251, 300909, 348726, 406847, 449806, 497154, 544502, 601818, 674709, 738967, 813694, 816753, 1220541, 1349418, 1477934, 1574321, 1633506, 1905757, 2216901, 2441082, 3148642, 3811514, 4433802, 4722963, 5172769, 5717271, 9445926, 10345538, 11434542, 15518307, 31036614, 36209383, 72418766, 108628149, 217256298]

約数ペア:

[(1, 217256298), (2, 108628149), (3, 72418766), (6, 36209383), (7, 31036614), (14, 15518307), (19, 11434542), (21, 10345538), (23, 9445926), (38, 5717271), (42, 5172769), (46, 4722963), (49, 4433802), (57, 3811514), (69, 3148642), (89, 2441082), (98, 2216901), (114, 1905757), (133, 1633506), (138, 1574321), (147, 1477934), (161, 1349418), (178, 1220541), (266, 816753), (267, 813694), (294, 738967), (322, 674709), (361, 601818), (399, 544502), (437, 497154), (483, 449806), (534, 406847), (623, 348726), (722, 300909), (798, 272251), (874, 248577), (931, 233358), (966, 224903), (1083, 200606), (1127, 192774), (1246, 174363), (1311, 165718), (1691, 128478), (1862, 116679), (1869, 116242), (2047, 106134), (2166, 100303), (2254, 96387), (2527, 85974), (2622, 82859), (2793, 77786), (3059, 71022), (3381, 64258), (3382, 64239), (3738, 58121), (4094, 53067), (4361, 49818), (5054, 42987), (5073, 42826), (5586, 38893), (6118, 35511), (6141, 35378), (6762, 32129), (7581, 28658), (8303, 26166), (8722, 24909), (9177, 23674), (10146, 21413), (11837, 18354), (12282, 17689), (13083, 16606), (14329, 15162)]