389481788

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{2264429}}^1$

素因数の和:2264476

約数の個数: 12

約数和(自身を含む): 697444440

約数和(自身を除く): 307962652

約数列:

[1, 2, 4, 43, 86, 172, 2264429, 4528858, 9057716, 97370447, 194740894, 389481788]

約数ペア:

[(1, 389481788), (2, 194740894), (4, 97370447), (43, 9057716), (86, 4528858), (172, 2264429)]