217811330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1980103}}^1$

素因数の和:1980121

約数の個数: 16

約数和(自身を含む): 427702464

約数和(自身を除く): 209891134

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1980103, 3960206, 9900515, 19801030, 21781133, 43562266, 108905665, 217811330]

約数ペア:

[(1, 217811330), (2, 108905665), (5, 43562266), (10, 21781133), (11, 19801030), (22, 9900515), (55, 3960206), (110, 1980103)]