28857564

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1999}}^1$

素因数の和:2410

約数の個数: 36

約数和(自身を含む): 73164000

約数和(自身を除く): 44306436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1604, 1999, 2406, 3609, 3998, 4812, 5997, 7218, 7996, 11994, 14436, 17991, 23988, 35982, 71964, 801599, 1603198, 2404797, 3206396, 4809594, 7214391, 9619188, 14428782, 28857564]

約数ペア:

[(1, 28857564), (2, 14428782), (3, 9619188), (4, 7214391), (6, 4809594), (9, 3206396), (12, 2404797), (18, 1603198), (36, 801599), (401, 71964), (802, 35982), (1203, 23988), (1604, 17991), (1999, 14436), (2406, 11994), (3609, 7996), (3998, 7218), (4812, 5997)]