81495728

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{19819}}^1$

素因数の和:20084

約数の個数: 20

約数和(自身を含む): 158520360

約数和(自身を除く): 77024632

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 19819, 39638, 79276, 158552, 317104, 5093483, 10186966, 20373932, 40747864, 81495728]

約数ペア:

[(1, 81495728), (2, 40747864), (4, 20373932), (8, 10186966), (16, 5093483), (257, 317104), (514, 158552), (1028, 79276), (2056, 39638), (4112, 19819)]