28986128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{42131}}^1$

素因数の和:42182

約数の個数: 20

約数和(自身を含む): 57468048

約数和(自身を除く): 28481920

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 42131, 84262, 168524, 337048, 674096, 1811633, 3623266, 7246532, 14493064, 28986128]

約数ペア:

[(1, 28986128), (2, 14493064), (4, 7246532), (8, 3623266), (16, 1811633), (43, 674096), (86, 337048), (172, 168524), (344, 84262), (688, 42131)]