397101568

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 80

約数和(自身を含む): 829661184

約数和(自身を除く): 432559616

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 197, 248, 254, 256, 394, 496, 508, 512, 788, 992, 1016, 1576, 1984, 2032, 3152, 3937, 3968, 4064, 6107, 6304, 7874, 7936, 8128, 12214, 12608, 15748, 15872, 16256, 24428, 25019, 25216, 31496, 32512, 48856, 50038, 50432, 62992, 65024, 97712, 100076, 100864, 125984, 195424, 200152, 251968, 390848, 400304, 503936, 775589, 781696, 800608, 1007872, 1551178, 1563392, 1601216, 2015744, 3102356, 3126784, 3202432, 6204712, 6404864, 12409424, 12809728, 24818848, 49637696, 99275392, 198550784, 397101568]

約数ペア:

[(1, 397101568), (2, 198550784), (4, 99275392), (8, 49637696), (16, 24818848), (31, 12809728), (32, 12409424), (62, 6404864), (64, 6204712), (124, 3202432), (127, 3126784), (128, 3102356), (197, 2015744), (248, 1601216), (254, 1563392), (256, 1551178), (394, 1007872), (496, 800608), (508, 781696), (512, 775589), (788, 503936), (992, 400304), (1016, 390848), (1576, 251968), (1984, 200152), (2032, 195424), (3152, 125984), (3937, 100864), (3968, 100076), (4064, 97712), (6107, 65024), (6304, 62992), (7874, 50432), (7936, 50038), (8128, 48856), (12214, 32512), (12608, 31496), (15748, 25216), (15872, 25019), (16256, 24428)]