207765551

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 270927360

約数和(自身を除く): 63161809

約数列:

[1, 7, 17, 19, 43, 119, 133, 301, 323, 731, 817, 2137, 2261, 5117, 5719, 13889, 14959, 36329, 40603, 91891, 97223, 254303, 284221, 643237, 690251, 1562147, 1745929, 4831757, 10935029, 12221503, 29680793, 207765551]

約数ペア:

[(1, 207765551), (7, 29680793), (17, 12221503), (19, 10935029), (43, 4831757), (119, 1745929), (133, 1562147), (301, 690251), (323, 643237), (731, 284221), (817, 254303), (2137, 97223), (2261, 91891), (5117, 40603), (5719, 36329), (13889, 14959)]