80939846

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5569}}^1$

素因数の和:5640

約数の個数: 24

約数和(自身を含む): 134548920

約数和(自身を除く): 53609074

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 5569, 7267, 11138, 14534, 72397, 144794, 239467, 478934, 941161, 1882322, 3113071, 6226142, 40469923, 80939846]

約数ペア:

[(1, 80939846), (2, 40469923), (13, 6226142), (26, 3113071), (43, 1882322), (86, 941161), (169, 478934), (338, 239467), (559, 144794), (1118, 72397), (5569, 14534), (7267, 11138)]