428207286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{5489837}}^1$

素因数の和:5489855

約数の個数: 16

約数和(自身を含む): 922292784

約数和(自身を除く): 494085498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 5489837, 10979674, 16469511, 32939022, 71367881, 142735762, 214103643, 428207286]

約数ペア:

[(1, 428207286), (2, 214103643), (3, 142735762), (6, 71367881), (13, 32939022), (26, 16469511), (39, 10979674), (78, 5489837)]