2666777728

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{2161}}^1$

素因数の和:2517

約数の個数: 64

約数和(自身を含む): 5504279040

約数和(自身を除く): 2837501312

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 311, 496, 622, 992, 1244, 1984, 2161, 2488, 3968, 4322, 4976, 8644, 9641, 9952, 17288, 19282, 19904, 34576, 38564, 39808, 66991, 69152, 77128, 133982, 138304, 154256, 267964, 276608, 308512, 535928, 617024, 672071, 1071856, 1234048, 1344142, 2143712, 2688284, 4287424, 5376568, 8574848, 10753136, 20834201, 21506272, 41668402, 43012544, 83336804, 86025088, 166673608, 333347216, 666694432, 1333388864, 2666777728]

約数ペア:

[(1, 2666777728), (2, 1333388864), (4, 666694432), (8, 333347216), (16, 166673608), (31, 86025088), (32, 83336804), (62, 43012544), (64, 41668402), (124, 21506272), (128, 20834201), (248, 10753136), (311, 8574848), (496, 5376568), (622, 4287424), (992, 2688284), (1244, 2143712), (1984, 1344142), (2161, 1234048), (2488, 1071856), (3968, 672071), (4322, 617024), (4976, 535928), (8644, 308512), (9641, 276608), (9952, 267964), (17288, 154256), (19282, 138304), (19904, 133982), (34576, 77128), (38564, 69152), (39808, 66991)]