51508639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:132

約数の個数: 32

約数和(自身を含む): 68956160

約数和(自身を除く): 17447521

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 961, 1729, 2821, 4123, 6727, 7657, 12493, 18259, 29791, 53599, 87451, 127813, 208537, 237367, 387283, 566029, 1661569, 2710981, 3962203, 7358377, 51508639]

約数ペア:

[(1, 51508639), (7, 7358377), (13, 3962203), (19, 2710981), (31, 1661569), (91, 566029), (133, 387283), (217, 237367), (247, 208537), (403, 127813), (589, 87451), (961, 53599), (1729, 29791), (2821, 18259), (4123, 12493), (6727, 7657)]