9731890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19861}}^1$

素因数の和:19882

約数の個数: 24

約数和(自身を含む): 20378412

約数和(自身を除く): 10646522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 19861, 39722, 99305, 139027, 198610, 278054, 695135, 973189, 1390270, 1946378, 4865945, 9731890]

約数ペア:

[(1, 9731890), (2, 4865945), (5, 1946378), (7, 1390270), (10, 973189), (14, 695135), (35, 278054), (49, 198610), (70, 139027), (98, 99305), (245, 39722), (490, 19861)]