81050872

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 180069120

約数和(自身を除く): 99018248

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 97, 172, 194, 301, 344, 347, 388, 602, 679, 694, 776, 1204, 1358, 1388, 2408, 2429, 2716, 2776, 4171, 4858, 5432, 8342, 9716, 14921, 16684, 19432, 29197, 29842, 33368, 33659, 58394, 59684, 67318, 104447, 116788, 119368, 134636, 208894, 233576, 235613, 269272, 417788, 471226, 835576, 942452, 1447337, 1884904, 2894674, 5789348, 10131359, 11578696, 20262718, 40525436, 81050872]

約数ペア:

[(1, 81050872), (2, 40525436), (4, 20262718), (7, 11578696), (8, 10131359), (14, 5789348), (28, 2894674), (43, 1884904), (56, 1447337), (86, 942452), (97, 835576), (172, 471226), (194, 417788), (301, 269272), (344, 235613), (347, 233576), (388, 208894), (602, 134636), (679, 119368), (694, 116788), (776, 104447), (1204, 67318), (1358, 59684), (1388, 58394), (2408, 33659), (2429, 33368), (2716, 29842), (2776, 29197), (4171, 19432), (4858, 16684), (5432, 14921), (8342, 9716)]