30981082

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{128021}}^1$

素因数の和:128045

約数の個数: 12

約数和(自身を含む): 51080778

約数和(自身を除く): 20099696

約数列:

[1, 2, 11, 22, 121, 242, 128021, 256042, 1408231, 2816462, 15490541, 30981082]

約数ペア:

[(1, 30981082), (2, 15490541), (11, 2816462), (22, 1408231), (121, 256042), (242, 128021)]