78178384

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{68819}}^1$

素因数の和:68898

約数の個数: 20

約数和(自身を含む): 153606240

約数和(自身を除く): 75427856

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 68819, 137638, 275276, 550552, 1101104, 4886149, 9772298, 19544596, 39089192, 78178384]

約数ペア:

[(1, 78178384), (2, 39089192), (4, 19544596), (8, 9772298), (16, 4886149), (71, 1101104), (142, 550552), (284, 275276), (568, 137638), (1136, 68819)]