28718018

素因数分解:

$2^1\times 7^3\times {\mathrm{41863}}^1$

素因数の和:41886

約数の個数: 16

約数和(自身を含む): 50236800

約数和(自身を除く): 21518782

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 41863, 83726, 293041, 586082, 2051287, 4102574, 14359009, 28718018]

約数ペア:

[(1, 28718018), (2, 14359009), (7, 4102574), (14, 2051287), (49, 586082), (98, 293041), (343, 83726), (686, 41863)]