213990392

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1117}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 502295040

約数和(自身を除く): 288304648

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 311, 616, 622, 1117, 1244, 2177, 2234, 2488, 3421, 4354, 4468, 6842, 7819, 8708, 8936, 12287, 13684, 15638, 17416, 23947, 24574, 27368, 31276, 47894, 49148, 62552, 86009, 95788, 98296, 172018, 191576, 344036, 347387, 688072, 694774, 1389548, 2431709, 2779096, 3821257, 4863418, 7642514, 9726836, 15285028, 19453672, 26748799, 30570056, 53497598, 106995196, 213990392]

約数ペア:

[(1, 213990392), (2, 106995196), (4, 53497598), (7, 30570056), (8, 26748799), (11, 19453672), (14, 15285028), (22, 9726836), (28, 7642514), (44, 4863418), (56, 3821257), (77, 2779096), (88, 2431709), (154, 1389548), (308, 694774), (311, 688072), (616, 347387), (622, 344036), (1117, 191576), (1244, 172018), (2177, 98296), (2234, 95788), (2488, 86009), (3421, 62552), (4354, 49148), (4468, 47894), (6842, 31276), (7819, 27368), (8708, 24574), (8936, 23947), (12287, 17416), (13684, 15638)]