28302547

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 35807856

約数和(自身を除く): 7505309

約数列:

[1, 7, 13, 49, 91, 157, 283, 637, 1099, 1981, 2041, 3679, 7693, 13867, 14287, 25753, 44431, 100009, 180271, 311017, 577603, 2177119, 4043221, 28302547]

約数ペア:

[(1, 28302547), (7, 4043221), (13, 2177119), (49, 577603), (91, 311017), (157, 180271), (283, 100009), (637, 44431), (1099, 25753), (1981, 14287), (2041, 13867), (3679, 7693)]