640031042

素因数分解:

$2^1\times 7^2\times {\mathrm{6530929}}^1$

素因数の和:6530945

約数の個数: 12

約数和(自身を含む): 1116789030

約数和(自身を除く): 476757988

約数列:

[1, 2, 7, 14, 49, 98, 6530929, 13061858, 45716503, 91433006, 320015521, 640031042]

約数ペア:

[(1, 640031042), (2, 320015521), (7, 91433006), (14, 45716503), (49, 13061858), (98, 6530929)]