2668939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 3324160

約数和(自身を除く): 655221

約数列:

[1, 7, 13, 91, 139, 211, 973, 1477, 1807, 2743, 12649, 19201, 29329, 205303, 381277, 2668939]

約数ペア:

[(1, 2668939), (7, 381277), (13, 205303), (91, 29329), (139, 19201), (211, 12649), (973, 2743), (1477, 1807)]