1998966767615

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{16001}}^1\times {\mathrm{609403}}^1$

素因数の和:625450

約数の個数: 16

約数和(自身を含む): 2457424067616

約数和(自身を除く): 458457300001

約数列:

[1, 5, 41, 205, 16001, 80005, 609403, 656041, 3047015, 3280205, 24985523, 124927615, 9751057403, 48755287015, 399793353523, 1998966767615]

約数ペア:

[(1, 1998966767615), (5, 399793353523), (41, 48755287015), (205, 9751057403), (16001, 124927615), (80005, 24985523), (609403, 3280205), (656041, 3047015)]