12861079

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 16547328

約数和(自身を除く): 3686249

約数列:

[1, 7, 11, 49, 77, 107, 223, 539, 749, 1177, 1561, 2453, 5243, 8239, 10927, 17171, 23861, 57673, 120197, 167027, 262471, 1169189, 1837297, 12861079]

約数ペア:

[(1, 12861079), (7, 1837297), (11, 1169189), (49, 262471), (77, 167027), (107, 120197), (223, 57673), (539, 23861), (749, 17171), (1177, 10927), (1561, 8239), (2453, 5243)]