28256984

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1783}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 60798720

約数和(自身を除く): 32541736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1783, 1981, 2264, 3566, 3962, 7132, 7924, 12481, 14264, 15848, 24962, 49924, 99848, 504589, 1009178, 2018356, 3532123, 4036712, 7064246, 14128492, 28256984]

約数ペア:

[(1, 28256984), (2, 14128492), (4, 7064246), (7, 4036712), (8, 3532123), (14, 2018356), (28, 1009178), (56, 504589), (283, 99848), (566, 49924), (1132, 24962), (1783, 15848), (1981, 14264), (2264, 12481), (3566, 7924), (3962, 7132)]