129240004

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{319901}}^1$

素因数の和:320006

約数の個数: 12

約数和(自身を含む): 228410028

約数和(自身を除く): 99170024

約数列:

[1, 2, 4, 101, 202, 404, 319901, 639802, 1279604, 32310001, 64620002, 129240004]

約数ペア:

[(1, 129240004), (2, 64620002), (4, 32310001), (101, 1279604), (202, 639802), (404, 319901)]