12648775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 17062400

約数和(自身を除く): 4413625

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 859, 2945, 4295, 14725, 16321, 21475, 26629, 81605, 133145, 408025, 505951, 665725, 2529755, 12648775]

約数ペア:

[(1, 12648775), (5, 2529755), (19, 665725), (25, 505951), (31, 408025), (95, 133145), (155, 81605), (475, 26629), (589, 21475), (775, 16321), (859, 14725), (2945, 4295)]