725272009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6791}}^1$

素因数の和:6901

約数の個数: 32

約数和(自身を含む): 965007360

約数和(自身を除く): 239735351

約数列:

[1, 7, 11, 19, 73, 77, 133, 209, 511, 803, 1387, 1463, 5621, 6791, 9709, 15257, 47537, 74701, 106799, 129029, 495743, 522907, 903203, 1419319, 3470201, 5453173, 9419117, 9935233, 38172211, 65933819, 103610287, 725272009]

約数ペア:

[(1, 725272009), (7, 103610287), (11, 65933819), (19, 38172211), (73, 9935233), (77, 9419117), (133, 5453173), (209, 3470201), (511, 1419319), (803, 903203), (1387, 522907), (1463, 495743), (5621, 129029), (6791, 106799), (9709, 74701), (15257, 47537)]