81226478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{12889}}^1$

素因数の和:13051

約数の個数: 16

約数和(自身を含む): 128075040

約数和(自身を除く): 46848562

約数列:

[1, 2, 23, 46, 137, 274, 3151, 6302, 12889, 25778, 296447, 592894, 1765793, 3531586, 40613239, 81226478]

約数ペア:

[(1, 81226478), (2, 40613239), (23, 3531586), (46, 1765793), (137, 592894), (274, 296447), (3151, 25778), (6302, 12889)]