209548976

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1$

素因数の和:3418

約数の個数: 80

約数和(自身を含む): 511467264

約数和(自身を除く): 301918288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3347, 3913, 4472, 4816, 6694, 7826, 8944, 13388, 15652, 23429, 26776, 31304, 43511, 46858, 53552, 62608, 87022, 93716, 143921, 174044, 187432, 287842, 304577, 348088, 374864, 575684, 609154, 696176, 1007447, 1151368, 1218308, 1870973, 2014894, 2302736, 2436616, 3741946, 4029788, 4873232, 7483892, 8059576, 13096811, 14967784, 16119152, 26193622, 29935568, 52387244, 104774488, 209548976]

約数ペア:

[(1, 209548976), (2, 104774488), (4, 52387244), (7, 29935568), (8, 26193622), (13, 16119152), (14, 14967784), (16, 13096811), (26, 8059576), (28, 7483892), (43, 4873232), (52, 4029788), (56, 3741946), (86, 2436616), (91, 2302736), (104, 2014894), (112, 1870973), (172, 1218308), (182, 1151368), (208, 1007447), (301, 696176), (344, 609154), (364, 575684), (559, 374864), (602, 348088), (688, 304577), (728, 287842), (1118, 187432), (1204, 174044), (1456, 143921), (2236, 93716), (2408, 87022), (3347, 62608), (3913, 53552), (4472, 46858), (4816, 43511), (6694, 31304), (7826, 26776), (8944, 23429), (13388, 15652)]