209829217

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 241911360

約数和(自身を除く): 32082143

約数列:

[1, 13, 19, 101, 169, 247, 647, 1313, 1919, 3211, 8411, 12293, 17069, 24947, 65347, 109343, 159809, 324311, 849511, 1241593, 2077517, 11043643, 16140709, 209829217]

約数ペア:

[(1, 209829217), (13, 16140709), (19, 11043643), (101, 2077517), (169, 1241593), (247, 849511), (647, 324311), (1313, 159809), (1919, 109343), (3211, 65347), (8411, 24947), (12293, 17069)]