128609474

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{213637}}^1$

素因数の和:213689

約数の個数: 16

約数和(自身を含む): 225601728

約数和(自身を除く): 96992254

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 213637, 427274, 1495459, 2990918, 9186391, 18372782, 64304737, 128609474]

約数ペア:

[(1, 128609474), (2, 64304737), (7, 18372782), (14, 9186391), (43, 2990918), (86, 1495459), (301, 427274), (602, 213637)]