81544804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{168481}}^1$

素因数の和:168507

約数の個数: 18

約数和(自身を含む): 156856742

約数和(自身を除く): 75311938

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 168481, 336962, 673924, 1853291, 3706582, 7413164, 20386201, 40772402, 81544804]

約数ペア:

[(1, 81544804), (2, 40772402), (4, 20386201), (11, 7413164), (22, 3706582), (44, 1853291), (121, 673924), (242, 336962), (484, 168481)]