28531705

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 34992000

約数和(自身を除く): 6460295

約数列:

[1, 5, 71, 179, 355, 449, 895, 2245, 12709, 31879, 63545, 80371, 159395, 401855, 5706341, 28531705]

約数ペア:

[(1, 28531705), (5, 5706341), (71, 401855), (179, 159395), (355, 80371), (449, 63545), (895, 31879), (2245, 12709)]