81590896

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{40153}}^1$

素因数の和:40288

約数の個数: 20

約数和(自身を含む): 159331072

約数和(自身を除く): 77740176

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 40153, 80306, 160612, 321224, 642448, 5099431, 10198862, 20397724, 40795448, 81590896]

約数ペア:

[(1, 81590896), (2, 40795448), (4, 20397724), (8, 10198862), (16, 5099431), (127, 642448), (254, 321224), (508, 160612), (1016, 80306), (2032, 40153)]