9812990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89209}}^1$

素因数の和:89227

約数の個数: 16

約数和(自身を含む): 19269360

約数和(自身を除く): 9456370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 89209, 178418, 446045, 892090, 981299, 1962598, 4906495, 9812990]

約数ペア:

[(1, 9812990), (2, 4906495), (5, 1962598), (10, 981299), (11, 892090), (22, 446045), (55, 178418), (110, 89209)]