209439076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1051}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 458099712

約数和(自身を除く): 248660636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 647, 1051, 1294, 2102, 2588, 4204, 4529, 7117, 7357, 9058, 11561, 14234, 14714, 18116, 23122, 28468, 29428, 46244, 49819, 80927, 99638, 161854, 199276, 323708, 679997, 1359994, 2719988, 4759979, 7479967, 9519958, 14959934, 19039916, 29919868, 52359769, 104719538, 209439076]

約数ペア:

[(1, 209439076), (2, 104719538), (4, 52359769), (7, 29919868), (11, 19039916), (14, 14959934), (22, 9519958), (28, 7479967), (44, 4759979), (77, 2719988), (154, 1359994), (308, 679997), (647, 323708), (1051, 199276), (1294, 161854), (2102, 99638), (2588, 80927), (4204, 49819), (4529, 46244), (7117, 29428), (7357, 28468), (9058, 23122), (11561, 18116), (14234, 14714)]