289291882

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1195421}}^1$

素因数の和:1195445

約数の個数: 12

約数和(自身を含む): 476973378

約数和(自身を除く): 187681496

約数列:

[1, 2, 11, 22, 121, 242, 1195421, 2390842, 13149631, 26299262, 144645941, 289291882]

約数ペア:

[(1, 289291882), (2, 144645941), (11, 26299262), (22, 13149631), (121, 2390842), (242, 1195421)]