81554746

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 163392768

約数和(自身を除く): 81838022

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 43, 86, 91, 119, 182, 221, 238, 301, 442, 559, 602, 613, 731, 1118, 1226, 1462, 1547, 3094, 3913, 4291, 5117, 7826, 7969, 8582, 9503, 10234, 10421, 15938, 19006, 20842, 26359, 52718, 55783, 66521, 72947, 111566, 133042, 135473, 145894, 184513, 270946, 342667, 369026, 448103, 685334, 896206, 948311, 1896622, 2398669, 3136721, 4797338, 5825339, 6273442, 11650678, 40777373, 81554746]

約数ペア:

[(1, 81554746), (2, 40777373), (7, 11650678), (13, 6273442), (14, 5825339), (17, 4797338), (26, 3136721), (34, 2398669), (43, 1896622), (86, 948311), (91, 896206), (119, 685334), (182, 448103), (221, 369026), (238, 342667), (301, 270946), (442, 184513), (559, 145894), (602, 135473), (613, 133042), (731, 111566), (1118, 72947), (1226, 66521), (1462, 55783), (1547, 52718), (3094, 26359), (3913, 20842), (4291, 19006), (5117, 15938), (7826, 10421), (7969, 10234), (8582, 9503)]