1990380098

素因数分解:

$2^1\times 7^2\times {\mathrm{20310001}}^1$

素因数の和:20310017

約数の個数: 12

約数和(自身を含む): 3473010342

約数和(自身を除く): 1482630244

約数列:

[1, 2, 7, 14, 49, 98, 20310001, 40620002, 142170007, 284340014, 995190049, 1990380098]

約数ペア:

[(1, 1990380098), (2, 995190049), (7, 284340014), (14, 142170007), (49, 40620002), (98, 20310001)]