128225828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{32413}}^1$

素因数の和:32483

約数の個数: 24

約数和(自身を含む): 239604288

約数和(自身を除く): 111378460

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 32413, 64826, 129652, 745499, 1393759, 1490998, 2787518, 2981996, 5575036, 32056457, 64112914, 128225828]

約数ペア:

[(1, 128225828), (2, 64112914), (4, 32056457), (23, 5575036), (43, 2981996), (46, 2787518), (86, 1490998), (92, 1393759), (172, 745499), (989, 129652), (1978, 64826), (3956, 32413)]