81265436

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{29921}}^1$

素因数の和:30029

約数の個数: 24

約数和(自身を含む): 164211936

約数和(自身を除く): 82946500

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 29921, 59842, 119684, 209447, 418894, 837788, 2902337, 5804674, 11609348, 20316359, 40632718, 81265436]

約数ペア:

[(1, 81265436), (2, 40632718), (4, 20316359), (7, 11609348), (14, 5804674), (28, 2902337), (97, 837788), (194, 418894), (388, 209447), (679, 119684), (1358, 59842), (2716, 29921)]