138208538405

素因数分解:

$5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{7757987}}^1$

素因数の和:7758508

約数の個数: 16

約数和(自身を含む): 189915546240

約数和(自身を除く): 51707007835

約数列:

[1, 5, 7, 35, 509, 2545, 3563, 17815, 7757987, 38789935, 54305909, 271529545, 3948815383, 19744076915, 27641707681, 138208538405]

約数ペア:

[(1, 138208538405), (5, 27641707681), (7, 19744076915), (35, 3948815383), (509, 271529545), (2545, 54305909), (3563, 38789935), (17815, 7757987)]