643577856

素因数分解:

$2^{11}\times 3^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 1789187400

約数和(自身を除く): 1145609544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 109, 124, 128, 186, 192, 218, 248, 256, 327, 372, 384, 436, 496, 512, 654, 744, 768, 872, 961, 992, 1024, 1308, 1488, 1536, 1744, 1922, 1984, 2048, 2616, 2883, 2976, 3072, 3379, 3488, 3844, 3968, 5232, 5766, 5952, 6144, 6758, 6976, 7688, 7936, 10137, 10464, 11532, 11904, 13516, 13952, 15376, 15872, 20274, 20928, 23064, 23808, 27032, 27904, 30752, 31744, 40548, 41856, 46128, 47616, 54064, 55808, 61504, 63488, 81096, 83712, 92256, 95232, 104749, 108128, 111616, 123008, 162192, 167424, 184512, 190464, 209498, 216256, 223232, 246016, 314247, 324384, 334848, 369024, 418996, 432512, 492032, 628494, 648768, 669696, 738048, 837992, 865024, 984064, 1256988, 1297536, 1476096, 1675984, 1730048, 1968128, 2513976, 2595072, 2952192, 3351968, 3460096, 5027952, 5190144, 5904384, 6703936, 6920192, 10055904, 10380288, 13407872, 20111808, 20760576, 26815744, 40223616, 53631488, 80447232, 107262976, 160894464, 214525952, 321788928, 643577856]

約数ペア:

[(1, 643577856), (2, 321788928), (3, 214525952), (4, 160894464), (6, 107262976), (8, 80447232), (12, 53631488), (16, 40223616), (24, 26815744), (31, 20760576), (32, 20111808), (48, 13407872), (62, 10380288), (64, 10055904), (93, 6920192), (96, 6703936), (109, 5904384), (124, 5190144), (128, 5027952), (186, 3460096), (192, 3351968), (218, 2952192), (248, 2595072), (256, 2513976), (327, 1968128), (372, 1730048), (384, 1675984), (436, 1476096), (496, 1297536), (512, 1256988), (654, 984064), (744, 865024), (768, 837992), (872, 738048), (961, 669696), (992, 648768), (1024, 628494), (1308, 492032), (1488, 432512), (1536, 418996), (1744, 369024), (1922, 334848), (1984, 324384), (2048, 314247), (2616, 246016), (2883, 223232), (2976, 216256), (3072, 209498), (3379, 190464), (3488, 184512), (3844, 167424), (3968, 162192), (5232, 123008), (5766, 111616), (5952, 108128), (6144, 104749), (6758, 95232), (6976, 92256), (7688, 83712), (7936, 81096), (10137, 63488), (10464, 61504), (11532, 55808), (11904, 54064), (13516, 47616), (13952, 46128), (15376, 41856), (15872, 40548), (20274, 31744), (20928, 30752), (23064, 27904), (23808, 27032)]