20161618967

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{278903}}^1$

素因数の和:279382

約数の個数: 16

約数和(自身を含む): 24097305600

約数和(自身を除く): 3935686633

約数列:

[1, 7, 23, 161, 449, 3143, 10327, 72289, 278903, 1952321, 6414769, 44903383, 125227447, 876592129, 2880231281, 20161618967]

約数ペア:

[(1, 20161618967), (7, 2880231281), (23, 876592129), (161, 125227447), (449, 44903383), (3143, 6414769), (10327, 1952321), (72289, 278903)]