16081681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2861}}^1$

素因数の和:2952

約数の個数: 16

約数和(自身を含む): 20331648

約数和(自身を除く): 4249967

約数列:

[1, 7, 11, 73, 77, 511, 803, 2861, 5621, 20027, 31471, 208853, 220297, 1461971, 2297383, 16081681]

約数ペア:

[(1, 16081681), (7, 2297383), (11, 1461971), (73, 220297), (77, 208853), (511, 31471), (803, 20027), (2861, 5621)]