28638726

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 60238080

約数和(自身を除く): 31599354

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 139, 278, 417, 834, 1493, 2986, 3197, 4479, 6394, 8958, 9591, 19182, 34339, 68678, 103017, 206034, 207527, 415054, 622581, 1245162, 4773121, 9546242, 14319363, 28638726]

約数ペア:

[(1, 28638726), (2, 14319363), (3, 9546242), (6, 4773121), (23, 1245162), (46, 622581), (69, 415054), (138, 207527), (139, 206034), (278, 103017), (417, 68678), (834, 34339), (1493, 19182), (2986, 9591), (3197, 8958), (4479, 6394)]