138982207

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 185937920

約数和(自身を除く): 46955713

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 1729, 2593, 2821, 4123, 7657, 18151, 33709, 49267, 53599, 80383, 235963, 344869, 562681, 640471, 1044979, 1527277, 4483297, 7314853, 10690939, 19854601, 138982207]

約数ペア:

[(1, 138982207), (7, 19854601), (13, 10690939), (19, 7314853), (31, 4483297), (91, 1527277), (133, 1044979), (217, 640471), (247, 562681), (403, 344869), (589, 235963), (1729, 80383), (2593, 53599), (2821, 49267), (4123, 33709), (7657, 18151)]