1989035392

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3947}}^1$

素因数の和:4119

約数の個数: 64

約数和(自身を含む): 4123607040

約数和(自身を除く): 2134571648

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 3947, 3968, 4064, 7874, 7894, 8128, 15748, 15788, 16256, 31496, 31576, 62992, 63152, 122357, 125984, 126304, 244714, 251968, 252608, 489428, 501269, 503936, 505216, 978856, 1002538, 1957712, 2005076, 3915424, 4010152, 7830848, 8020304, 15539339, 15661696, 16040608, 31078678, 32081216, 62157356, 64162432, 124314712, 248629424, 497258848, 994517696, 1989035392]

約数ペア:

[(1, 1989035392), (2, 994517696), (4, 497258848), (8, 248629424), (16, 124314712), (31, 64162432), (32, 62157356), (62, 32081216), (64, 31078678), (124, 16040608), (127, 15661696), (128, 15539339), (248, 8020304), (254, 7830848), (496, 4010152), (508, 3915424), (992, 2005076), (1016, 1957712), (1984, 1002538), (2032, 978856), (3937, 505216), (3947, 503936), (3968, 501269), (4064, 489428), (7874, 252608), (7894, 251968), (8128, 244714), (15748, 126304), (15788, 125984), (16256, 122357), (31496, 63152), (31576, 62992)]