208030921

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{249737}}^1$

素因数の和:249768

約数の個数: 12

約数和(自身を含む): 256231188

約数和(自身を除く): 48200267

約数列:

[1, 7, 17, 49, 119, 833, 249737, 1748159, 4245529, 12237113, 29718703, 208030921]

約数ペア:

[(1, 208030921), (7, 29718703), (17, 12237113), (49, 4245529), (119, 1748159), (833, 249737)]