28294903

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 36305808

約数和(自身を除く): 8010905

約数列:

[1, 7, 13, 43, 49, 91, 301, 559, 637, 1033, 2107, 3913, 7231, 13429, 27391, 44419, 50617, 94003, 310933, 577447, 658021, 2176531, 4042129, 28294903]

約数ペア:

[(1, 28294903), (7, 4042129), (13, 2176531), (43, 658021), (49, 577447), (91, 310933), (301, 94003), (559, 50617), (637, 44419), (1033, 27391), (2107, 13429), (3913, 7231)]