28997255

素因数分解:

$5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2503}}^1$

素因数の和:2846

約数の個数: 16

約数和(自身を含む): 39903744

約数和(自身を除く): 10906489

約数列:

[1, 5, 7, 35, 331, 1655, 2317, 2503, 11585, 12515, 17521, 87605, 828493, 4142465, 5799451, 28997255]

約数ペア:

[(1, 28997255), (5, 5799451), (7, 4142465), (35, 828493), (331, 87605), (1655, 17521), (2317, 12515), (2503, 11585)]