28751918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{5557}}^1$

素因数の和:5771

約数の個数: 16

約数和(自身を含む): 46687200

約数和(自身を除く): 17935282

約数列:

[1, 2, 13, 26, 199, 398, 2587, 5174, 5557, 11114, 72241, 144482, 1105843, 2211686, 14375959, 28751918]

約数ペア:

[(1, 28751918), (2, 14375959), (13, 2211686), (26, 1105843), (199, 144482), (398, 72241), (2587, 11114), (5174, 5557)]