28374890

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5779}}^1$

素因数の和:6277

約数の個数: 16

約数和(自身を含む): 51187680

約数和(自身を除く): 22812790

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 5779, 11558, 28895, 57790, 2837489, 5674978, 14187445, 28374890]

約数ペア:

[(1, 28374890), (2, 14187445), (5, 5674978), (10, 2837489), (491, 57790), (982, 28895), (2455, 11558), (4910, 5779)]