1288891295967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{5358391}}^1$

素因数の和:5358639

約数の個数: 32

約数和(自身を含む): 1935193987584

約数和(自身を除く): 646302691617

約数列:

[1, 3, 11, 33, 37, 111, 197, 407, 591, 1221, 2167, 6501, 7289, 21867, 80179, 240537, 5358391, 16075173, 58942301, 176826903, 198260467, 594781401, 1055603027, 2180865137, 3166809081, 6542595411, 11611633297, 34834899891, 39057311999, 117171935997, 429630431989, 1288891295967]

約数ペア:

[(1, 1288891295967), (3, 429630431989), (11, 117171935997), (33, 39057311999), (37, 34834899891), (111, 11611633297), (197, 6542595411), (407, 3166809081), (591, 2180865137), (1221, 1055603027), (2167, 594781401), (6501, 198260467), (7289, 176826903), (21867, 58942301), (80179, 16075173), (240537, 5358391)]