31417925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 51187200

約数和(自身を除く): 19769275

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 665, 859, 1045, 1463, 1925, 3325, 4295, 5225, 6013, 7315, 9449, 16321, 21475, 30065, 36575, 47245, 66143, 81605, 114247, 150325, 179531, 236225, 330715, 408025, 571235, 897655, 1256717, 1653575, 2856175, 4488275, 6283585, 31417925]

約数ペア:

[(1, 31417925), (5, 6283585), (7, 4488275), (11, 2856175), (19, 1653575), (25, 1256717), (35, 897655), (55, 571235), (77, 408025), (95, 330715), (133, 236225), (175, 179531), (209, 150325), (275, 114247), (385, 81605), (475, 66143), (665, 47245), (859, 36575), (1045, 30065), (1463, 21475), (1925, 16321), (3325, 9449), (4295, 7315), (5225, 6013)]