400064366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{905123}}^1$

素因数の和:905155

約数の個数: 16

約数和(自身を含む): 684273744

約数和(自身を除く): 284209378

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 905123, 1810246, 11766599, 15387091, 23533198, 30774182, 200032183, 400064366]

約数ペア:

[(1, 400064366), (2, 200032183), (13, 30774182), (17, 23533198), (26, 15387091), (34, 11766599), (221, 1810246), (442, 905123)]