81041104

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71339}}^1$

素因数の和:71418

約数の個数: 20

約数和(自身を含む): 159230880

約数和(自身を除く): 78189776

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71339, 142678, 285356, 570712, 1141424, 5065069, 10130138, 20260276, 40520552, 81041104]

約数ペア:

[(1, 81041104), (2, 40520552), (4, 20260276), (8, 10130138), (16, 5065069), (71, 1141424), (142, 570712), (284, 285356), (568, 142678), (1136, 71339)]