8157919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 10368000

約数和(自身を除く): 2210081

約数列:

[1, 7, 11, 53, 77, 371, 583, 1999, 4081, 13993, 21989, 105947, 153923, 741629, 1165417, 8157919]

約数ペア:

[(1, 8157919), (7, 1165417), (11, 741629), (53, 153923), (77, 105947), (371, 21989), (583, 13993), (1999, 4081)]