201990553690

素因数分解:

$2^1\times 5^1\times {\mathrm{9907}}^1\times {\mathrm{2038867}}^1$

素因数の和:2048781

約数の個数: 16

約数和(自身を含む): 363619874592

約数和(自身を除く): 161629320902

約数列:

[1, 2, 5, 10, 9907, 19814, 49535, 99070, 2038867, 4077734, 10194335, 20388670, 20199055369, 40398110738, 100995276845, 201990553690]

約数ペア:

[(1, 201990553690), (2, 100995276845), (5, 40398110738), (10, 20199055369), (9907, 20388670), (19814, 10194335), (49535, 4077734), (99070, 2038867)]