217778870

素因数分解:

$2^1\times 5^1\times {\mathrm{2551}}^1\times {\mathrm{8537}}^1$

素因数の和:11095

約数の個数: 16

約数和(自身を含む): 392201568

約数和(自身を除く): 174422698

約数列:

[1, 2, 5, 10, 2551, 5102, 8537, 12755, 17074, 25510, 42685, 85370, 21777887, 43555774, 108889435, 217778870]

約数ペア:

[(1, 217778870), (2, 108889435), (5, 43555774), (10, 21777887), (2551, 85370), (5102, 42685), (8537, 25510), (12755, 17074)]