210520513

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{226123}}^1$

素因数の和:226156

約数の個数: 12

約数和(自身を含む): 257781360

約数和(自身を除く): 47260847

約数列:

[1, 7, 19, 49, 133, 931, 226123, 1582861, 4296337, 11080027, 30074359, 210520513]

約数ペア:

[(1, 210520513), (7, 30074359), (19, 11080027), (49, 4296337), (133, 1582861), (931, 226123)]