209921168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{771769}}^1$

素因数の和:771794

約数の個数: 20

約数和(自身を含む): 430647660

約数和(自身を除く): 220726492

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 771769, 1543538, 3087076, 6174152, 12348304, 13120073, 26240146, 52480292, 104960584, 209921168]

約数ペア:

[(1, 209921168), (2, 104960584), (4, 52480292), (8, 26240146), (16, 13120073), (17, 12348304), (34, 6174152), (68, 3087076), (136, 1543538), (272, 771769)]