28099370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216149}}^1$

素因数の和:216169

約数の個数: 16

約数和(自身を含む): 54469800

約数和(自身を除く): 26370430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 216149, 432298, 1080745, 2161490, 2809937, 5619874, 14049685, 28099370]

約数ペア:

[(1, 28099370), (2, 14049685), (5, 5619874), (10, 2809937), (13, 2161490), (26, 1080745), (65, 432298), (130, 216149)]