28877255

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 9905545

約数列:

[1, 5, 11, 55, 59, 121, 295, 605, 649, 809, 3245, 4045, 7139, 8899, 35695, 44495, 47731, 97889, 238655, 489445, 525041, 2625205, 5775451, 28877255]

約数ペア:

[(1, 28877255), (5, 5775451), (11, 2625205), (55, 525041), (59, 489445), (121, 238655), (295, 97889), (605, 47731), (649, 44495), (809, 35695), (3245, 8899), (4045, 7139)]