28705904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43759}}^1$

素因数の和:43808

約数の個数: 20

約数和(自身を含む): 56975520

約数和(自身を除く): 28269616

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 43759, 87518, 175036, 350072, 700144, 1794119, 3588238, 7176476, 14352952, 28705904]

約数ペア:

[(1, 28705904), (2, 14352952), (4, 7176476), (8, 3588238), (16, 1794119), (41, 700144), (82, 350072), (164, 175036), (328, 87518), (656, 43759)]