638902004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{534199}}^1$

素因数の和:534239

約数の個数: 24

約数和(自身を含む): 1256438400

約数和(自身を除く): 617536396

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 534199, 1068398, 2136796, 6944587, 12286577, 13889174, 24573154, 27778348, 49146308, 159725501, 319451002, 638902004]

約数ペア:

[(1, 638902004), (2, 319451002), (4, 159725501), (13, 49146308), (23, 27778348), (26, 24573154), (46, 13889174), (52, 12286577), (92, 6944587), (299, 2136796), (598, 1068398), (1196, 534199)]