389621456

素因数分解:

$2^4\times 7^1\times {\mathrm{3478763}}^1$

素因数の和:3478778

約数の個数: 20

約数和(自身を含む): 862733472

約数和(自身を除く): 473112016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3478763, 6957526, 13915052, 24351341, 27830104, 48702682, 55660208, 97405364, 194810728, 389621456]

約数ペア:

[(1, 389621456), (2, 194810728), (4, 97405364), (7, 55660208), (8, 48702682), (14, 27830104), (16, 24351341), (28, 13915052), (56, 6957526), (112, 3478763)]