40642007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{709}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 49075200

約数和(自身を除く): 8433193

約数列:

[1, 7, 19, 133, 431, 709, 3017, 4963, 8189, 13471, 57323, 94297, 305579, 2139053, 5806001, 40642007]

約数ペア:

[(1, 40642007), (7, 5806001), (19, 2139053), (133, 305579), (431, 94297), (709, 57323), (3017, 13471), (4963, 8189)]