80913788

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{470429}}^1$

素因数の和:470476

約数の個数: 12

約数和(自身を含む): 144892440

約数和(自身を除く): 63978652

約数列:

[1, 2, 4, 43, 86, 172, 470429, 940858, 1881716, 20228447, 40456894, 80913788]

約数ペア:

[(1, 80913788), (2, 40456894), (4, 20228447), (43, 1881716), (86, 940858), (172, 470429)]