388973998

素因数分解:

$2^1\times 7^1\times {\mathrm{3019}}^1\times {\mathrm{9203}}^1$

素因数の和:12231

約数の個数: 16

約数和(自身を含む): 667105920

約数和(自身を除く): 278131922

約数列:

[1, 2, 7, 14, 3019, 6038, 9203, 18406, 21133, 42266, 64421, 128842, 27783857, 55567714, 194486999, 388973998]

約数ペア:

[(1, 388973998), (2, 194486999), (7, 55567714), (14, 27783857), (3019, 128842), (6038, 64421), (9203, 42266), (18406, 21133)]