28721042

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{43649}}^1$

素因数の和:43705

約数の個数: 16

約数和(自身を含む): 50284800

約数和(自身を除く): 21563758

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 43649, 87298, 305543, 611086, 2051503, 4103006, 14360521, 28721042]

約数ペア:

[(1, 28721042), (2, 14360521), (7, 4103006), (14, 2051503), (47, 611086), (94, 305543), (329, 87298), (658, 43649)]