208601855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28517}}^1$

素因数の和:28559

約数の個数: 32

約数和(自身を含む): 328527360

約数和(自身を除く): 119925505

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 28517, 142585, 199619, 313687, 541823, 998095, 1568435, 2195809, 2709115, 3792761, 5960053, 10979045, 18963805, 29800265, 41720371, 208601855]

約数ペア:

[(1, 208601855), (5, 41720371), (7, 29800265), (11, 18963805), (19, 10979045), (35, 5960053), (55, 3792761), (77, 2709115), (95, 2195809), (133, 1568435), (209, 998095), (385, 541823), (665, 313687), (1045, 199619), (1463, 142585), (7315, 28517)]