66127984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317923}}^1$

素因数の和:317944

約数の個数: 20

約数和(自身を含む): 137979016

約数和(自身を除く): 71851032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317923, 635846, 1271692, 2543384, 4132999, 5086768, 8265998, 16531996, 33063992, 66127984]

約数ペア:

[(1, 66127984), (2, 33063992), (4, 16531996), (8, 8265998), (13, 5086768), (16, 4132999), (26, 2543384), (52, 1271692), (104, 635846), (208, 317923)]