12718391

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{719}}^1$

素因数の和:771

約数の個数: 18

約数和(自身を含む): 15636240

約数和(自身を除く): 2917849

約数列:

[1, 7, 19, 49, 133, 361, 719, 931, 2527, 5033, 13661, 17689, 35231, 95627, 259559, 669389, 1816913, 12718391]

約数ペア:

[(1, 12718391), (7, 1816913), (19, 669389), (49, 259559), (133, 95627), (361, 35231), (719, 17689), (931, 13661), (2527, 5033)]