1245169919

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{77239}}^1$

素因数の和:77307

約数の個数: 16

約数和(自身を含む): 1483008000

約数和(自身を除く): 237838081

約数列:

[1, 7, 47, 49, 329, 343, 2303, 16121, 77239, 540673, 3630233, 3784711, 25411631, 26492977, 177881417, 1245169919]

約数ペア:

[(1, 1245169919), (7, 177881417), (47, 26492977), (49, 25411631), (329, 3784711), (343, 3630233), (2303, 540673), (16121, 77239)]