200704048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{291721}}^1$

素因数の和:291772

約数の個数: 20

約数和(自身を含む): 397908808

約数和(自身を除く): 197204760

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 291721, 583442, 1166884, 2333768, 4667536, 12544003, 25088006, 50176012, 100352024, 200704048]

約数ペア:

[(1, 200704048), (2, 100352024), (4, 50176012), (8, 25088006), (16, 12544003), (43, 4667536), (86, 2333768), (172, 1166884), (344, 583442), (688, 291721)]