8928143

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 11026080

約数和(自身を除く): 2097937

約数列:

[1, 7, 29, 49, 61, 103, 203, 427, 721, 1421, 1769, 2987, 2989, 5047, 6283, 12383, 20909, 43981, 86681, 146363, 182207, 307867, 1275449, 8928143]

約数ペア:

[(1, 8928143), (7, 1275449), (29, 307867), (49, 182207), (61, 146363), (103, 86681), (203, 43981), (427, 20909), (721, 12383), (1421, 6283), (1769, 5047), (2987, 2989)]