208990804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{249989}}^1$

素因数の和:250023

約数の個数: 24

約数和(自身を含む): 419983200

約数和(自身を除く): 210992396

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 249989, 499978, 999956, 2749879, 4749791, 5499758, 9499582, 10999516, 18999164, 52247701, 104495402, 208990804]

約数ペア:

[(1, 208990804), (2, 104495402), (4, 52247701), (11, 18999164), (19, 10999516), (22, 9499582), (38, 5499758), (44, 4749791), (76, 2749879), (209, 999956), (418, 499978), (836, 249989)]