128649078

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{20479}}^1$

素因数の和:20836

約数の個数: 24

約数和(自身を含む): 279552000

約数和(自身を除く): 150902922

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 3141, 6282, 20479, 40958, 61437, 122874, 184311, 368622, 7147171, 14294342, 21441513, 42883026, 64324539, 128649078]

約数ペア:

[(1, 128649078), (2, 64324539), (3, 42883026), (6, 21441513), (9, 14294342), (18, 7147171), (349, 368622), (698, 184311), (1047, 122874), (2094, 61437), (3141, 40958), (6282, 20479)]