30851884

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7927}}^1$

素因数の和:8077

約数の個数: 24

約数和(自身を含む): 62155520

約数和(自身を除く): 31303636

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 7927, 15854, 31708, 55489, 110978, 221956, 1101853, 2203706, 4407412, 7712971, 15425942, 30851884]

約数ペア:

[(1, 30851884), (2, 15425942), (4, 7712971), (7, 4407412), (14, 2203706), (28, 1101853), (139, 221956), (278, 110978), (556, 55489), (973, 31708), (1946, 15854), (3892, 7927)]