259112

素因数分解:

$2^3\times 7^2\times {\mathrm{661}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 566010

約数和(自身を除く): 306898

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 661, 1322, 2644, 4627, 5288, 9254, 18508, 32389, 37016, 64778, 129556, 259112]

約数ペア:

[(1, 259112), (2, 129556), (4, 64778), (7, 37016), (8, 32389), (14, 18508), (28, 9254), (49, 5288), (56, 4627), (98, 2644), (196, 1322), (392, 661)]