201090868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{415477}}^1$

素因数の和:415503

約数の個数: 18

約数和(自身を含む): 386810018

約数和(自身を除く): 185719150

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 415477, 830954, 1661908, 4570247, 9140494, 18280988, 50272717, 100545434, 201090868]

約数ペア:

[(1, 201090868), (2, 100545434), (4, 50272717), (11, 18280988), (22, 9140494), (44, 4570247), (121, 1661908), (242, 830954), (484, 415477)]