28131038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{5437}}^1$

素因数の和:5651

約数の個数: 16

約数和(自身を含む): 45679200

約数和(自身を除く): 17548162

約数列:

[1, 2, 13, 26, 199, 398, 2587, 5174, 5437, 10874, 70681, 141362, 1081963, 2163926, 14065519, 28131038]

約数ペア:

[(1, 28131038), (2, 14065519), (13, 2163926), (26, 1081963), (199, 141362), (398, 70681), (2587, 10874), (5174, 5437)]