639149568

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^2\times {\mathrm{433}}^1$

素因数の和:516

約数の個数: 120

約数和(自身を含む): 1763496504

約数和(自身を除く): 1124346936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 433, 496, 512, 744, 768, 866, 961, 992, 1299, 1488, 1536, 1732, 1922, 1984, 2598, 2883, 2976, 3464, 3844, 3968, 5196, 5766, 5952, 6928, 7688, 7936, 10392, 11532, 11904, 13423, 13856, 15376, 15872, 20784, 23064, 23808, 26846, 27712, 30752, 40269, 41568, 46128, 47616, 53692, 55424, 61504, 80538, 83136, 92256, 107384, 110848, 123008, 161076, 166272, 184512, 214768, 221696, 246016, 322152, 332544, 369024, 416113, 429536, 492032, 644304, 665088, 738048, 832226, 859072, 1248339, 1288608, 1476096, 1664452, 1718144, 2496678, 2577216, 3328904, 3436288, 4993356, 5154432, 6657808, 6872576, 9986712, 10308864, 13315616, 19973424, 20617728, 26631232, 39946848, 53262464, 79893696, 106524928, 159787392, 213049856, 319574784, 639149568]

約数ペア:

[(1, 639149568), (2, 319574784), (3, 213049856), (4, 159787392), (6, 106524928), (8, 79893696), (12, 53262464), (16, 39946848), (24, 26631232), (31, 20617728), (32, 19973424), (48, 13315616), (62, 10308864), (64, 9986712), (93, 6872576), (96, 6657808), (124, 5154432), (128, 4993356), (186, 3436288), (192, 3328904), (248, 2577216), (256, 2496678), (372, 1718144), (384, 1664452), (433, 1476096), (496, 1288608), (512, 1248339), (744, 859072), (768, 832226), (866, 738048), (961, 665088), (992, 644304), (1299, 492032), (1488, 429536), (1536, 416113), (1732, 369024), (1922, 332544), (1984, 322152), (2598, 246016), (2883, 221696), (2976, 214768), (3464, 184512), (3844, 166272), (3968, 161076), (5196, 123008), (5766, 110848), (5952, 107384), (6928, 92256), (7688, 83136), (7936, 80538), (10392, 61504), (11532, 55424), (11904, 53692), (13423, 47616), (13856, 46128), (15376, 41568), (15872, 40269), (20784, 30752), (23064, 27712), (23808, 26846)]