656972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 1238496

約数和(自身を除く): 581524

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 193, 386, 772, 851, 1702, 3404, 4439, 7141, 8878, 14282, 17756, 28564, 164243, 328486, 656972]

約数ペア:

[(1, 656972), (2, 328486), (4, 164243), (23, 28564), (37, 17756), (46, 14282), (74, 8878), (92, 7141), (148, 4439), (193, 3404), (386, 1702), (772, 851)]