81164468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263521}}^1$

素因数の和:263543

約数の個数: 24

約数和(自身を含む): 177086784

約数和(自身を除く): 95922316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 263521, 527042, 1054084, 1844647, 2898731, 3689294, 5797462, 7378588, 11594924, 20291117, 40582234, 81164468]

約数ペア:

[(1, 81164468), (2, 40582234), (4, 20291117), (7, 11594924), (11, 7378588), (14, 5797462), (22, 3689294), (28, 2898731), (44, 1844647), (77, 1054084), (154, 527042), (308, 263521)]