28657736

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{67589}}^1$

素因数の和:67648

約数の個数: 16

約数和(自身を含む): 54747900

約数和(自身を除く): 26090164

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 67589, 135178, 270356, 540712, 3582217, 7164434, 14328868, 28657736]

約数ペア:

[(1, 28657736), (2, 14328868), (4, 7164434), (8, 3582217), (53, 540712), (106, 270356), (212, 135178), (424, 67589)]