17402749

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 22243200

約数和(自身を除く): 4840451

約数列:

[1, 7, 13, 31, 91, 199, 217, 403, 961, 1393, 2587, 2821, 6169, 6727, 12493, 18109, 43183, 80197, 87451, 191239, 561379, 1338673, 2486107, 17402749]

約数ペア:

[(1, 17402749), (7, 2486107), (13, 1338673), (31, 561379), (91, 191239), (199, 87451), (217, 80197), (403, 43183), (961, 18109), (1393, 12493), (2587, 6727), (2821, 6169)]