28721648

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43783}}^1$

素因数の和:43832

約数の個数: 20

約数和(自身を含む): 57006768

約数和(自身を除く): 28285120

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 43783, 87566, 175132, 350264, 700528, 1795103, 3590206, 7180412, 14360824, 28721648]

約数ペア:

[(1, 28721648), (2, 14360824), (4, 7180412), (8, 3590206), (16, 1795103), (41, 700528), (82, 350264), (164, 175132), (328, 87566), (656, 43783)]