28086044

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6389}}^1$

素因数の和:6557

約数の個数: 24

約数和(自身を含む): 56538720

約数和(自身を除く): 28452676

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 6389, 12778, 25556, 44723, 89446, 178892, 1003073, 2006146, 4012292, 7021511, 14043022, 28086044]

約数ペア:

[(1, 28086044), (2, 14043022), (4, 7021511), (7, 4012292), (14, 2006146), (28, 1003073), (157, 178892), (314, 89446), (628, 44723), (1099, 25556), (2198, 12778), (4396, 6389)]