138171904

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{20759}}^1$

素因数の和:20790

約数の個数: 40

約数和(自身を含む): 297324720

約数和(自身を除く): 159152816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 20759, 41518, 83036, 166072, 269867, 332144, 539734, 664288, 1079468, 1328576, 2158936, 2657152, 4317872, 5314304, 8635744, 10628608, 17271488, 34542976, 69085952, 138171904]

約数ペア:

[(1, 138171904), (2, 69085952), (4, 34542976), (8, 17271488), (13, 10628608), (16, 8635744), (26, 5314304), (32, 4317872), (52, 2657152), (64, 2158936), (104, 1328576), (128, 1079468), (208, 664288), (256, 539734), (416, 332144), (512, 269867), (832, 166072), (1664, 83036), (3328, 41518), (6656, 20759)]