28710728

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{25819}}^1$

素因数の和:25964

約数の個数: 16

約数和(自身を含む): 54222000

約数和(自身を除く): 25511272

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 25819, 51638, 103276, 206552, 3588841, 7177682, 14355364, 28710728]

約数ペア:

[(1, 28710728), (2, 14355364), (4, 7177682), (8, 3588841), (139, 206552), (278, 103276), (556, 51638), (1112, 25819)]