81478212

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{399403}}^1$

素因数の和:399427

約数の個数: 24

約数和(自身を含む): 201299616

約数和(自身を除く): 119821404

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 399403, 798806, 1198209, 1597612, 2396418, 4792836, 6789851, 13579702, 20369553, 27159404, 40739106, 81478212]

約数ペア:

[(1, 81478212), (2, 40739106), (3, 27159404), (4, 20369553), (6, 13579702), (12, 6789851), (17, 4792836), (34, 2396418), (51, 1597612), (68, 1198209), (102, 798806), (204, 399403)]