66361756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1321}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 122522960

約数和(自身を除く): 56161204

約数列:

[1, 2, 4, 19, 38, 76, 661, 1321, 1322, 2642, 2644, 5284, 12559, 25099, 25118, 50198, 50236, 100396, 873181, 1746362, 3492724, 16590439, 33180878, 66361756]

約数ペア:

[(1, 66361756), (2, 33180878), (4, 16590439), (19, 3492724), (38, 1746362), (76, 873181), (661, 100396), (1321, 50236), (1322, 50198), (2642, 25118), (2644, 25099), (5284, 12559)]