641637807836

素因数分解:

$2^2\times {\mathrm{653}}^1\times {\mathrm{245650003}}^1$

素因数の和:245650660

約数の個数: 12

約数和(自身を含む): 1124585718312

約数和(自身を除く): 482947910476

約数列:

[1, 2, 4, 653, 1306, 2612, 245650003, 491300006, 982600012, 160409451959, 320818903918, 641637807836]

約数ペア:

[(1, 641637807836), (2, 320818903918), (4, 160409451959), (653, 982600012), (1306, 491300006), (2612, 245650003)]