208223888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 460595520

約数和(自身を除く): 252371632

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 272, 304, 323, 344, 646, 688, 731, 817, 937, 1292, 1462, 1634, 1874, 2584, 2924, 3268, 3748, 5168, 5848, 6536, 7496, 11696, 13072, 13889, 14992, 15929, 17803, 27778, 31858, 35606, 40291, 55556, 63716, 71212, 80582, 111112, 127432, 142424, 161164, 222224, 254864, 284848, 302651, 322328, 605302, 644656, 684947, 765529, 1210604, 1369894, 1531058, 2421208, 2739788, 3062116, 4842416, 5479576, 6124232, 10959152, 12248464, 13013993, 26027986, 52055972, 104111944, 208223888]

約数ペア:

[(1, 208223888), (2, 104111944), (4, 52055972), (8, 26027986), (16, 13013993), (17, 12248464), (19, 10959152), (34, 6124232), (38, 5479576), (43, 4842416), (68, 3062116), (76, 2739788), (86, 2421208), (136, 1531058), (152, 1369894), (172, 1210604), (272, 765529), (304, 684947), (323, 644656), (344, 605302), (646, 322328), (688, 302651), (731, 284848), (817, 254864), (937, 222224), (1292, 161164), (1462, 142424), (1634, 127432), (1874, 111112), (2584, 80582), (2924, 71212), (3268, 63716), (3748, 55556), (5168, 40291), (5848, 35606), (6536, 31858), (7496, 27778), (11696, 17803), (13072, 15929), (13889, 14992)]