28016975

素因数分解:

$5^2\times 7^2\times {\mathrm{22871}}^1$

素因数の和:22895

約数の個数: 18

約数和(自身を含む): 40414824

約数和(自身を除く): 12397849

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 22871, 114355, 160097, 571775, 800485, 1120679, 4002425, 5603395, 28016975]

約数ペア:

[(1, 28016975), (5, 5603395), (7, 4002425), (25, 1120679), (35, 800485), (49, 571775), (175, 160097), (245, 114355), (1225, 22871)]