28266728

素因数分解:

$2^3\times 7^2\times {\mathrm{72109}}^1$

素因数の和:72129

約数の個数: 24

約数和(自身を含む): 61654050

約数和(自身を除く): 33387322

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 72109, 144218, 288436, 504763, 576872, 1009526, 2019052, 3533341, 4038104, 7066682, 14133364, 28266728]

約数ペア:

[(1, 28266728), (2, 14133364), (4, 7066682), (7, 4038104), (8, 3533341), (14, 2019052), (28, 1009526), (49, 576872), (56, 504763), (98, 288436), (196, 144218), (392, 72109)]