128653807

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 150163200

約数和(自身を除く): 21509393

約数列:

[1, 17, 19, 43, 59, 157, 323, 731, 817, 1003, 1121, 2537, 2669, 2983, 6751, 9263, 13889, 19057, 43129, 48203, 50711, 114767, 128269, 157471, 175997, 398309, 819451, 2180573, 2991949, 6771253, 7567871, 128653807]

約数ペア:

[(1, 128653807), (17, 7567871), (19, 6771253), (43, 2991949), (59, 2180573), (157, 819451), (323, 398309), (731, 175997), (817, 157471), (1003, 128269), (1121, 114767), (2537, 50711), (2669, 48203), (2983, 43129), (6751, 19057), (9263, 13889)]