128918296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1239599}}^1$

素因数の和:1239618

約数の個数: 16

約数和(自身を含む): 260316000

約数和(自身を除く): 131397704

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1239599, 2479198, 4958396, 9916792, 16114787, 32229574, 64459148, 128918296]

約数ペア:

[(1, 128918296), (2, 64459148), (4, 32229574), (8, 16114787), (13, 9916792), (26, 4958396), (52, 2479198), (104, 1239599)]