617287489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 788420864

約数和(自身を除く): 171133375

約数列:

[1, 7, 13, 43, 73, 91, 301, 511, 559, 949, 2161, 3139, 3913, 6643, 15127, 21973, 28093, 40807, 92923, 157753, 196651, 285649, 650461, 1104271, 1207999, 2050789, 6783379, 8455993, 14355523, 47483653, 88183927, 617287489]

約数ペア:

[(1, 617287489), (7, 88183927), (13, 47483653), (43, 14355523), (73, 8455993), (91, 6783379), (301, 2050789), (511, 1207999), (559, 1104271), (949, 650461), (2161, 285649), (3139, 196651), (3913, 157753), (6643, 92923), (15127, 40807), (21973, 28093)]