28460776

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 54820800

約数和(自身を除く): 26360024

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 563, 568, 712, 1126, 2252, 4504, 6319, 12638, 25276, 39973, 50107, 50552, 79946, 100214, 159892, 200428, 319784, 400856, 3557597, 7115194, 14230388, 28460776]

約数ペア:

[(1, 28460776), (2, 14230388), (4, 7115194), (8, 3557597), (71, 400856), (89, 319784), (142, 200428), (178, 159892), (284, 100214), (356, 79946), (563, 50552), (568, 50107), (712, 39973), (1126, 25276), (2252, 12638), (4504, 6319)]