8217937

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 10976000

約数和(自身を除く): 2758063

約数列:

[1, 7, 13, 19, 49, 91, 97, 133, 247, 343, 637, 679, 931, 1261, 1729, 1843, 4459, 4753, 6517, 8827, 12103, 12901, 23959, 33271, 61789, 84721, 90307, 167713, 432523, 632149, 1173991, 8217937]

約数ペア:

[(1, 8217937), (7, 1173991), (13, 632149), (19, 432523), (49, 167713), (91, 90307), (97, 84721), (133, 61789), (247, 33271), (343, 23959), (637, 12901), (679, 12103), (931, 8827), (1261, 6517), (1729, 4753), (1843, 4459)]