4000004

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{9901}}^1$

素因数の和:10006

約数の個数: 12

約数和(自身を含む): 7070028

約数和(自身を除く): 3070024

約数列:

[1, 2, 4, 101, 202, 404, 9901, 19802, 39604, 1000001, 2000002, 4000004]

約数ペア:

[(1, 4000004), (2, 2000002), (4, 1000001), (101, 39604), (202, 19802), (404, 9901)]