81276536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 174113280

約数和(自身を除く): 92836744

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 47, 86, 88, 94, 172, 188, 344, 376, 457, 473, 517, 914, 946, 1034, 1828, 1892, 2021, 2068, 3656, 3784, 4042, 4136, 5027, 8084, 10054, 16168, 19651, 20108, 21479, 22231, 39302, 40216, 42958, 44462, 78604, 85916, 88924, 157208, 171832, 177848, 216161, 236269, 432322, 472538, 864644, 923597, 945076, 1729288, 1847194, 1890152, 3694388, 7388776, 10159567, 20319134, 40638268, 81276536]

約数ペア:

[(1, 81276536), (2, 40638268), (4, 20319134), (8, 10159567), (11, 7388776), (22, 3694388), (43, 1890152), (44, 1847194), (47, 1729288), (86, 945076), (88, 923597), (94, 864644), (172, 472538), (188, 432322), (344, 236269), (376, 216161), (457, 177848), (473, 171832), (517, 157208), (914, 88924), (946, 85916), (1034, 78604), (1828, 44462), (1892, 42958), (2021, 40216), (2068, 39302), (3656, 22231), (3784, 21479), (4042, 20108), (4136, 19651), (5027, 16168), (8084, 10054)]