621753856

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:1003

約数の個数: 80

約数和(自身を含む): 1313630208

約数和(自身を除く): 691876352

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 256, 344, 496, 512, 688, 911, 992, 1333, 1376, 1822, 1984, 2666, 2752, 3644, 3968, 5332, 5504, 7288, 7936, 10664, 11008, 14576, 15872, 21328, 22016, 28241, 29152, 39173, 42656, 56482, 58304, 78346, 85312, 112964, 116608, 156692, 170624, 225928, 233216, 313384, 341248, 451856, 466432, 626768, 682496, 903712, 1214363, 1253536, 1807424, 2428726, 2507072, 3614848, 4857452, 5014144, 7229696, 9714904, 10028288, 14459392, 19429808, 20056576, 38859616, 77719232, 155438464, 310876928, 621753856]

約数ペア:

[(1, 621753856), (2, 310876928), (4, 155438464), (8, 77719232), (16, 38859616), (31, 20056576), (32, 19429808), (43, 14459392), (62, 10028288), (64, 9714904), (86, 7229696), (124, 5014144), (128, 4857452), (172, 3614848), (248, 2507072), (256, 2428726), (344, 1807424), (496, 1253536), (512, 1214363), (688, 903712), (911, 682496), (992, 626768), (1333, 466432), (1376, 451856), (1822, 341248), (1984, 313384), (2666, 233216), (2752, 225928), (3644, 170624), (3968, 156692), (5332, 116608), (5504, 112964), (7288, 85312), (7936, 78346), (10664, 58304), (11008, 56482), (14576, 42656), (15872, 39173), (21328, 29152), (22016, 28241)]