989968384

素因数分解:

$2^{11}\times {\mathrm{31}}^2\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 2049432840

約数和(自身を除く): 1059464456

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 503, 512, 961, 992, 1006, 1024, 1922, 1984, 2012, 2048, 3844, 3968, 4024, 7688, 7936, 8048, 15376, 15593, 15872, 16096, 30752, 31186, 31744, 32192, 61504, 62372, 63488, 64384, 123008, 124744, 128768, 246016, 249488, 257536, 483383, 492032, 498976, 515072, 966766, 984064, 997952, 1030144, 1933532, 1968128, 1995904, 3867064, 3991808, 7734128, 7983616, 15468256, 15967232, 30936512, 31934464, 61873024, 123746048, 247492096, 494984192, 989968384]

約数ペア:

[(1, 989968384), (2, 494984192), (4, 247492096), (8, 123746048), (16, 61873024), (31, 31934464), (32, 30936512), (62, 15967232), (64, 15468256), (124, 7983616), (128, 7734128), (248, 3991808), (256, 3867064), (496, 1995904), (503, 1968128), (512, 1933532), (961, 1030144), (992, 997952), (1006, 984064), (1024, 966766), (1922, 515072), (1984, 498976), (2012, 492032), (2048, 483383), (3844, 257536), (3968, 249488), (4024, 246016), (7688, 128768), (7936, 124744), (8048, 123008), (15376, 64384), (15593, 63488), (15872, 62372), (16096, 61504), (30752, 32192), (31186, 31744)]