215123496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 128

約数和(自身を含む): 637486080

約数和(自身を除く): 422362584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 97, 129, 168, 172, 194, 258, 291, 301, 307, 344, 388, 516, 582, 602, 614, 679, 776, 903, 921, 1032, 1164, 1204, 1228, 1358, 1806, 1842, 2037, 2149, 2328, 2408, 2456, 2716, 3612, 3684, 4074, 4171, 4298, 5432, 6447, 7224, 7368, 8148, 8342, 8596, 12513, 12894, 13201, 16296, 16684, 17192, 25026, 25788, 26402, 29197, 29779, 33368, 39603, 50052, 51576, 52804, 58394, 59558, 79206, 87591, 89337, 92407, 100104, 105608, 116788, 119116, 158412, 175182, 178674, 184814, 208453, 233576, 238232, 277221, 316824, 350364, 357348, 369628, 416906, 554442, 625359, 700728, 714696, 739256, 833812, 1108884, 1250718, 1280497, 1667624, 2217768, 2501436, 2560994, 3841491, 5002872, 5121988, 7682982, 8963479, 10243976, 15365964, 17926958, 26890437, 30731928, 35853916, 53780874, 71707832, 107561748, 215123496]

約数ペア:

[(1, 215123496), (2, 107561748), (3, 71707832), (4, 53780874), (6, 35853916), (7, 30731928), (8, 26890437), (12, 17926958), (14, 15365964), (21, 10243976), (24, 8963479), (28, 7682982), (42, 5121988), (43, 5002872), (56, 3841491), (84, 2560994), (86, 2501436), (97, 2217768), (129, 1667624), (168, 1280497), (172, 1250718), (194, 1108884), (258, 833812), (291, 739256), (301, 714696), (307, 700728), (344, 625359), (388, 554442), (516, 416906), (582, 369628), (602, 357348), (614, 350364), (679, 316824), (776, 277221), (903, 238232), (921, 233576), (1032, 208453), (1164, 184814), (1204, 178674), (1228, 175182), (1358, 158412), (1806, 119116), (1842, 116788), (2037, 105608), (2149, 100104), (2328, 92407), (2408, 89337), (2456, 87591), (2716, 79206), (3612, 59558), (3684, 58394), (4074, 52804), (4171, 51576), (4298, 50052), (5432, 39603), (6447, 33368), (7224, 29779), (7368, 29197), (8148, 26402), (8342, 25788), (8596, 25026), (12513, 17192), (12894, 16684), (13201, 16296)]