81344284

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{126311}}^1$

素因数の和:126345

約数の個数: 24

約数和(自身を含む): 169763328

約数和(自身を除く): 88419044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 126311, 252622, 505244, 884177, 1768354, 2905153, 3536708, 5810306, 11620612, 20336071, 40672142, 81344284]

約数ペア:

[(1, 81344284), (2, 40672142), (4, 20336071), (7, 11620612), (14, 5810306), (23, 3536708), (28, 2905153), (46, 1768354), (92, 884177), (161, 505244), (322, 252622), (644, 126311)]