28987255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{27739}}^1$

素因数の和:27774

約数の個数: 16

約数和(自身を含む): 39945600

約数和(自身を除く): 10958345

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 27739, 138695, 305129, 527041, 1525645, 2635205, 5797451, 28987255]

約数ペア:

[(1, 28987255), (5, 5797451), (11, 2635205), (19, 1525645), (55, 527041), (95, 305129), (209, 138695), (1045, 27739)]