28890386

素因数分解:

$2^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{7043}}^1$

素因数の和:7345

約数の個数: 16

約数和(自身を含む): 49702464

約数和(自身を除く): 20812078

約数列:

[1, 2, 7, 14, 293, 586, 2051, 4102, 7043, 14086, 49301, 98602, 2063599, 4127198, 14445193, 28890386]

約数ペア:

[(1, 28890386), (2, 14445193), (7, 4127198), (14, 2063599), (293, 98602), (586, 49301), (2051, 14086), (4102, 7043)]