128012884

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{230239}}^1$

素因数の和:230382

約数の個数: 12

約数和(自身を含む): 225635200

約数和(自身を除く): 97622316

約数列:

[1, 2, 4, 139, 278, 556, 230239, 460478, 920956, 32003221, 64006442, 128012884]

約数ペア:

[(1, 128012884), (2, 64006442), (4, 32003221), (139, 920956), (278, 460478), (556, 230239)]