219243928

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{637337}}^1$

素因数の和:637386

約数の個数: 16

約数和(自身を含む): 420643080

約数和(自身を除く): 201399152

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 637337, 1274674, 2549348, 5098696, 27405491, 54810982, 109621964, 219243928]

約数ペア:

[(1, 219243928), (2, 109621964), (4, 54810982), (8, 27405491), (43, 5098696), (86, 2549348), (172, 1274674), (344, 637337)]