16898189

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 21718368

約数和(自身を除く): 4820179

約数列:

[1, 7, 11, 49, 77, 107, 293, 539, 749, 1177, 2051, 3223, 5243, 8239, 14357, 22561, 31351, 57673, 157927, 219457, 344861, 1536199, 2414027, 16898189]

約数ペア:

[(1, 16898189), (7, 2414027), (11, 1536199), (49, 344861), (77, 219457), (107, 157927), (293, 57673), (539, 31351), (749, 22561), (1177, 14357), (2051, 8239), (3223, 5243)]