208031285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28439}}^1$

素因数の和:28481

約数の個数: 32

約数和(自身を含む): 327628800

約数和(自身を除く): 119597515

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 28439, 142195, 199073, 312829, 540341, 995365, 1564145, 2189803, 2701705, 3782387, 5943751, 10949015, 18911935, 29718755, 41606257, 208031285]

約数ペア:

[(1, 208031285), (5, 41606257), (7, 29718755), (11, 18911935), (19, 10949015), (35, 5943751), (55, 3782387), (77, 2701705), (95, 2189803), (133, 1564145), (209, 995365), (385, 540341), (665, 312829), (1045, 199073), (1463, 142195), (7315, 28439)]