8540272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2201

約数の個数: 40

約数和(自身を含む): 18766160

約数和(自身を除く): 10225888

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 2161, 3952, 4322, 8644, 17288, 28093, 34576, 41059, 56186, 82118, 112372, 164236, 224744, 328472, 449488, 533767, 656944, 1067534, 2135068, 4270136, 8540272]

約数ペア:

[(1, 8540272), (2, 4270136), (4, 2135068), (8, 1067534), (13, 656944), (16, 533767), (19, 449488), (26, 328472), (38, 224744), (52, 164236), (76, 112372), (104, 82118), (152, 56186), (208, 41059), (247, 34576), (304, 28093), (494, 17288), (988, 8644), (1976, 4322), (2161, 3952)]