28657882

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1602

約数の個数: 24

約数和(自身を含む): 47880000

約数和(自身を除く): 19222118

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 869, 1499, 1738, 2998, 9559, 16489, 19118, 32978, 118421, 181379, 236842, 362758, 1302631, 2605262, 14328941, 28657882]

約数ペア:

[(1, 28657882), (2, 14328941), (11, 2605262), (22, 1302631), (79, 362758), (121, 236842), (158, 181379), (242, 118421), (869, 32978), (1499, 19118), (1738, 16489), (2998, 9559)]