81453812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{168293}}^1$

素因数の和:168319

約数の個数: 18

約数和(自身を含む): 156681714

約数和(自身を除く): 75227902

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 168293, 336586, 673172, 1851223, 3702446, 7404892, 20363453, 40726906, 81453812]

約数ペア:

[(1, 81453812), (2, 40726906), (4, 20363453), (11, 7404892), (22, 3702446), (44, 1851223), (121, 673172), (242, 336586), (484, 168293)]