127999488

素因数分解:

$2^9\times 3^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:687

約数の個数: 80

約数和(自身を含む): 343728000

約数和(自身を除く): 215728512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 167, 192, 256, 334, 384, 499, 501, 512, 668, 768, 998, 1002, 1336, 1497, 1536, 1996, 2004, 2672, 2994, 3992, 4008, 5344, 5988, 7984, 8016, 10688, 11976, 15968, 16032, 21376, 23952, 31936, 32064, 42752, 47904, 63872, 64128, 83333, 85504, 95808, 127744, 128256, 166666, 191616, 249999, 255488, 256512, 333332, 383232, 499998, 666664, 766464, 999996, 1333328, 1999992, 2666656, 3999984, 5333312, 7999968, 10666624, 15999936, 21333248, 31999872, 42666496, 63999744, 127999488]

約数ペア:

[(1, 127999488), (2, 63999744), (3, 42666496), (4, 31999872), (6, 21333248), (8, 15999936), (12, 10666624), (16, 7999968), (24, 5333312), (32, 3999984), (48, 2666656), (64, 1999992), (96, 1333328), (128, 999996), (167, 766464), (192, 666664), (256, 499998), (334, 383232), (384, 333332), (499, 256512), (501, 255488), (512, 249999), (668, 191616), (768, 166666), (998, 128256), (1002, 127744), (1336, 95808), (1497, 85504), (1536, 83333), (1996, 64128), (2004, 63872), (2672, 47904), (2994, 42752), (3992, 32064), (4008, 31936), (5344, 23952), (5988, 21376), (7984, 16032), (8016, 15968), (10688, 11976)]