248823639

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 396497920

約数和(自身を除く): 147674281

約数列:

[1, 3, 9, 19, 31, 57, 73, 93, 171, 219, 279, 589, 643, 657, 1387, 1767, 1929, 2263, 4161, 5301, 5787, 6789, 12217, 12483, 19933, 20367, 36651, 42997, 46939, 59799, 109953, 128991, 140817, 179397, 378727, 386973, 422451, 891841, 1136181, 1455109, 2675523, 3408543, 4365327, 8026569, 13095981, 27647071, 82941213, 248823639]

約数ペア:

[(1, 248823639), (3, 82941213), (9, 27647071), (19, 13095981), (31, 8026569), (57, 4365327), (73, 3408543), (93, 2675523), (171, 1455109), (219, 1136181), (279, 891841), (589, 422451), (643, 386973), (657, 378727), (1387, 179397), (1767, 140817), (1929, 128991), (2263, 109953), (4161, 59799), (5301, 46939), (5787, 42997), (6789, 36651), (12217, 20367), (12483, 19933)]