131684912

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{20123}}^1$

素因数の和:20540

約数の個数: 20

約数和(自身を含む): 255776040

約数和(自身を除く): 124091128

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 20123, 40246, 80492, 160984, 321968, 8230307, 16460614, 32921228, 65842456, 131684912]

約数ペア:

[(1, 131684912), (2, 65842456), (4, 32921228), (8, 16460614), (16, 8230307), (409, 321968), (818, 160984), (1636, 80492), (3272, 40246), (6544, 20123)]