25004308

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:872

約数の個数: 36

約数和(自身を含む): 51242772

約数和(自身を除く): 26238464

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 386, 661, 772, 1322, 1351, 2644, 2702, 4627, 5404, 9254, 9457, 18508, 18914, 32389, 37828, 64778, 127573, 129556, 255146, 510292, 893011, 1786022, 3572044, 6251077, 12502154, 25004308]

約数ペア:

[(1, 25004308), (2, 12502154), (4, 6251077), (7, 3572044), (14, 1786022), (28, 893011), (49, 510292), (98, 255146), (193, 129556), (196, 127573), (386, 64778), (661, 37828), (772, 32389), (1322, 18914), (1351, 18508), (2644, 9457), (2702, 9254), (4627, 5404)]