247266257

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1\times {\mathrm{719}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 287285760

約数和(自身を除く): 40019503

約数列:

[1, 7, 73, 511, 673, 719, 4711, 5033, 49129, 52487, 343903, 367409, 483887, 3387209, 35323751, 247266257]

約数ペア:

[(1, 247266257), (7, 35323751), (73, 3387209), (511, 483887), (673, 367409), (719, 343903), (4711, 52487), (5033, 49129)]