28384564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 54314400

約数和(自身を除く): 25929836

約数列:

[1, 2, 4, 13, 26, 52, 169, 199, 211, 338, 398, 422, 676, 796, 844, 2587, 2743, 5174, 5486, 10348, 10972, 33631, 35659, 41989, 67262, 71318, 83978, 134524, 142636, 167956, 545857, 1091714, 2183428, 7096141, 14192282, 28384564]

約数ペア:

[(1, 28384564), (2, 14192282), (4, 7096141), (13, 2183428), (26, 1091714), (52, 545857), (169, 167956), (199, 142636), (211, 134524), (338, 83978), (398, 71318), (422, 67262), (676, 41989), (796, 35659), (844, 33631), (2587, 10972), (2743, 10348), (5174, 5486)]