1219922

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^2$

素因数の和:166

約数の個数: 18

約数和(自身を含む): 2040087

約数和(自身を除く): 820165

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1562, 5041, 8591, 10082, 17182, 55451, 110902, 609961, 1219922]

約数ペア:

[(1, 1219922), (2, 609961), (11, 110902), (22, 55451), (71, 17182), (121, 10082), (142, 8591), (242, 5041), (781, 1562)]