157781456

素因数分解:

$2^4\times 7^1\times {\mathrm{1408763}}^1$

素因数の和:1408778

約数の個数: 20

約数和(自身を含む): 349373472

約数和(自身を除く): 191592016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1408763, 2817526, 5635052, 9861341, 11270104, 19722682, 22540208, 39445364, 78890728, 157781456]

約数ペア:

[(1, 157781456), (2, 78890728), (4, 39445364), (7, 22540208), (8, 19722682), (14, 11270104), (16, 9861341), (28, 5635052), (56, 2817526), (112, 1408763)]