2009354879

素因数分解:

$7^1\times {\mathrm{641}}^1\times {\mathrm{447817}}^1$

素因数の和:448465

約数の個数: 8

約数和(自身を含む): 2299993248

約数和(自身を除く): 290638369

約数列:

[1, 7, 641, 4487, 447817, 3134719, 287050697, 2009354879]

約数ペア:

[(1, 2009354879), (7, 287050697), (641, 3134719), (4487, 447817)]