217626310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1978421}}^1$

素因数の和:1978439

約数の個数: 16

約数和(自身を含む): 427339152

約数和(自身を除く): 209712842

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1978421, 3956842, 9892105, 19784210, 21762631, 43525262, 108813155, 217626310]

約数ペア:

[(1, 217626310), (2, 108813155), (5, 43525262), (10, 21762631), (11, 19784210), (22, 9892105), (55, 3956842), (110, 1978421)]