158351390

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{39887}}^1$

素因数の和:40291

約数の個数: 16

約数和(自身を含む): 285757632

約数和(自身を除く): 127406242

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 39887, 79774, 199435, 398870, 15835139, 31670278, 79175695, 158351390]

約数ペア:

[(1, 158351390), (2, 79175695), (5, 31670278), (10, 15835139), (397, 398870), (794, 199435), (1985, 79774), (3970, 39887)]