81364514

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1117}}^1$

素因数の和:1191

約数の個数: 48

約数和(自身を含む): 157020864

約数和(自身を除く): 75656350

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 121, 154, 242, 301, 473, 602, 847, 946, 1117, 1694, 2234, 3311, 5203, 6622, 7819, 10406, 12287, 15638, 24574, 36421, 48031, 72842, 86009, 96062, 135157, 172018, 270314, 336217, 528341, 672434, 946099, 1056682, 1892198, 3698387, 5811751, 7396774, 11623502, 40682257, 81364514]

約数ペア:

[(1, 81364514), (2, 40682257), (7, 11623502), (11, 7396774), (14, 5811751), (22, 3698387), (43, 1892198), (77, 1056682), (86, 946099), (121, 672434), (154, 528341), (242, 336217), (301, 270314), (473, 172018), (602, 135157), (847, 96062), (946, 86009), (1117, 72842), (1694, 48031), (2234, 36421), (3311, 24574), (5203, 15638), (6622, 12287), (7819, 10406)]