28268905

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3527}}^1$

素因数の和:3768

約数の個数: 16

約数和(自身を含む): 38949120

約数和(自身を除く): 10680215

約数列:

[1, 5, 7, 35, 229, 1145, 1603, 3527, 8015, 17635, 24689, 123445, 807683, 4038415, 5653781, 28268905]

約数ペア:

[(1, 28268905), (5, 5653781), (7, 4038415), (35, 807683), (229, 123445), (1145, 24689), (1603, 17635), (3527, 8015)]