51260825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 81899520

約数和(自身を除く): 30638695

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 275, 341, 385, 775, 859, 1085, 1705, 1925, 2387, 4295, 5425, 6013, 8525, 9449, 11935, 21475, 26629, 30065, 47245, 59675, 66143, 133145, 150325, 186403, 236225, 292919, 330715, 665725, 932015, 1464595, 1653575, 2050433, 4660075, 7322975, 10252165, 51260825]

約数ペア:

[(1, 51260825), (5, 10252165), (7, 7322975), (11, 4660075), (25, 2050433), (31, 1653575), (35, 1464595), (55, 932015), (77, 665725), (155, 330715), (175, 292919), (217, 236225), (275, 186403), (341, 150325), (385, 133145), (775, 66143), (859, 59675), (1085, 47245), (1705, 30065), (1925, 26629), (2387, 21475), (4295, 11935), (5425, 9449), (6013, 8525)]