211318456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1390253}}^1$

素因数の和:1390278

約数の個数: 16

約数和(自身を含む): 417076200

約数和(自身を除く): 205757744

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1390253, 2780506, 5561012, 11122024, 26414807, 52829614, 105659228, 211318456]

約数ペア:

[(1, 211318456), (2, 105659228), (4, 52829614), (8, 26414807), (19, 11122024), (38, 5561012), (76, 2780506), (152, 1390253)]