205921144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{180001}}^1$

素因数の和:180031

約数の個数: 32

約数和(自身を含む): 453605040

約数和(自身を除く): 247683896

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 180001, 360002, 720004, 1440008, 1980011, 2340013, 3960022, 4680026, 7920044, 9360052, 15840088, 18720104, 25740143, 51480286, 102960572, 205921144]

約数ペア:

[(1, 205921144), (2, 102960572), (4, 51480286), (8, 25740143), (11, 18720104), (13, 15840088), (22, 9360052), (26, 7920044), (44, 4680026), (52, 3960022), (88, 2340013), (104, 1980011), (143, 1440008), (286, 720004), (572, 360002), (1144, 180001)]