28928669

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 37034496

約数和(自身を除く): 8105827

約数列:

[1, 7, 11, 49, 77, 191, 281, 539, 1337, 1967, 2101, 3091, 9359, 13769, 14707, 21637, 53671, 102949, 151459, 375697, 590381, 2629879, 4132667, 28928669]

約数ペア:

[(1, 28928669), (7, 4132667), (11, 2629879), (49, 590381), (77, 375697), (191, 151459), (281, 102949), (539, 53671), (1337, 21637), (1967, 14707), (2101, 13769), (3091, 9359)]