208816531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{12161}}^1$

素因数の和:12402

約数の個数: 16

約数和(自身を含む): 261531648

約数和(自身を除く): 52715117

約数列:

[1, 7, 11, 77, 223, 1561, 2453, 12161, 17171, 85127, 133771, 936397, 2711903, 18983321, 29830933, 208816531]

約数ペア:

[(1, 208816531), (7, 29830933), (11, 18983321), (77, 2711903), (223, 936397), (1561, 133771), (2453, 85127), (12161, 17171)]