209464868

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{20641}}^1$

素因数の和:20747

約数の個数: 24

約数和(自身を含む): 381464160

約数和(自身を除く): 171999292

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 2537, 5074, 10148, 20641, 41282, 82564, 887563, 1217819, 1775126, 2435638, 3550252, 4871276, 52366217, 104732434, 209464868]

約数ペア:

[(1, 209464868), (2, 104732434), (4, 52366217), (43, 4871276), (59, 3550252), (86, 2435638), (118, 1775126), (172, 1217819), (236, 887563), (2537, 82564), (5074, 41282), (10148, 20641)]