28245539

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{877}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 33378048

約数和(自身を除く): 5132509

約数列:

[1, 7, 43, 107, 301, 749, 877, 4601, 6139, 32207, 37711, 93839, 263977, 656873, 4035077, 28245539]

約数ペア:

[(1, 28245539), (7, 4035077), (43, 656873), (107, 263977), (301, 93839), (749, 37711), (877, 32207), (4601, 6139)]