128210306

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{25943}}^1$

素因数の和:26305

約数の個数: 16

約数和(自身を含む): 220420224

約数和(自身を除く): 92209918

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4942, 25943, 51886, 181601, 363202, 9157879, 18315758, 64105153, 128210306]

約数ペア:

[(1, 128210306), (2, 64105153), (7, 18315758), (14, 9157879), (353, 363202), (706, 181601), (2471, 51886), (4942, 25943)]