12821998

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 24140160

約数和(自身を除く): 11318162

約数列:

[1, 2, 7, 14, 19, 38, 43, 59, 86, 118, 133, 266, 301, 361, 413, 602, 722, 817, 826, 1121, 1634, 2242, 2527, 2537, 5054, 5074, 5719, 7847, 11438, 15523, 15694, 17759, 21299, 31046, 35518, 42598, 48203, 96406, 108661, 149093, 217322, 298186, 337421, 674842, 915857, 1831714, 6410999, 12821998]

約数ペア:

[(1, 12821998), (2, 6410999), (7, 1831714), (14, 915857), (19, 674842), (38, 337421), (43, 298186), (59, 217322), (86, 149093), (118, 108661), (133, 96406), (266, 48203), (301, 42598), (361, 35518), (413, 31046), (602, 21299), (722, 17759), (817, 15694), (826, 15523), (1121, 11438), (1634, 7847), (2242, 5719), (2527, 5074), (2537, 5054)]