87471632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{127139}}^1$

素因数の和:127190

約数の個数: 20

約数和(自身を含む): 173418960

約数和(自身を除く): 85947328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 127139, 254278, 508556, 1017112, 2034224, 5466977, 10933954, 21867908, 43735816, 87471632]

約数ペア:

[(1, 87471632), (2, 43735816), (4, 21867908), (8, 10933954), (16, 5466977), (43, 2034224), (86, 1017112), (172, 508556), (344, 254278), (688, 127139)]