13340261

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 16588800

約数和(自身を除く): 3248539

約数列:

[1, 11, 19, 29, 31, 71, 209, 319, 341, 551, 589, 781, 899, 1349, 2059, 2201, 6061, 6479, 9889, 14839, 17081, 22649, 24211, 39121, 41819, 63829, 187891, 430331, 460009, 702119, 1212751, 13340261]

約数ペア:

[(1, 13340261), (11, 1212751), (19, 702119), (29, 460009), (31, 430331), (71, 187891), (209, 63829), (319, 41819), (341, 39121), (551, 24211), (589, 22649), (781, 17081), (899, 14839), (1349, 9889), (2059, 6479), (2201, 6061)]