81747116

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{168899}}^1$

素因数の和:168925

約数の個数: 18

約数和(自身を含む): 157245900

約数和(自身を除く): 75498784

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 168899, 337798, 675596, 1857889, 3715778, 7431556, 20436779, 40873558, 81747116]

約数ペア:

[(1, 81747116), (2, 40873558), (4, 20436779), (11, 7431556), (22, 3715778), (44, 1857889), (121, 675596), (242, 337798), (484, 168899)]