128118004

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{198941}}^1$

素因数の和:198975

約数の個数: 24

約数和(自身を含む): 267378048

約数和(自身を除く): 139260044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 198941, 397882, 795764, 1392587, 2785174, 4575643, 5570348, 9151286, 18302572, 32029501, 64059002, 128118004]

約数ペア:

[(1, 128118004), (2, 64059002), (4, 32029501), (7, 18302572), (14, 9151286), (23, 5570348), (28, 4575643), (46, 2785174), (92, 1392587), (161, 795764), (322, 397882), (644, 198941)]