64368865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 91607040

約数和(自身を除く): 27238175

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 1045, 1705, 1987, 2945, 6479, 9935, 21857, 32395, 37753, 61597, 109285, 188765, 307985, 415283, 677567, 1170343, 2076415, 3387835, 5851715, 12873773, 64368865]

約数ペア:

[(1, 64368865), (5, 12873773), (11, 5851715), (19, 3387835), (31, 2076415), (55, 1170343), (95, 677567), (155, 415283), (209, 307985), (341, 188765), (589, 109285), (1045, 61597), (1705, 37753), (1987, 32395), (2945, 21857), (6479, 9935)]