128487248

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{36011}}^1$

素因数の和:36242

約数の個数: 20

約数和(自身を含む): 250067328

約数和(自身を除く): 121580080

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 36011, 72022, 144044, 288088, 576176, 8030453, 16060906, 32121812, 64243624, 128487248]

約数ペア:

[(1, 128487248), (2, 64243624), (4, 32121812), (8, 16060906), (16, 8030453), (223, 576176), (446, 288088), (892, 144044), (1784, 72022), (3568, 36011)]