28287028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91841}}^1$

素因数の和:91863

約数の個数: 24

約数和(自身を含む): 61717824

約数和(自身を除く): 33430796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91841, 183682, 367364, 642887, 1010251, 1285774, 2020502, 2571548, 4041004, 7071757, 14143514, 28287028]

約数ペア:

[(1, 28287028), (2, 14143514), (4, 7071757), (7, 4041004), (11, 2571548), (14, 2020502), (22, 1285774), (28, 1010251), (44, 642887), (77, 367364), (154, 183682), (308, 91841)]