28220958

素因数分解:

$2^1\times 3^2\times {\mathrm{911}}^1\times {\mathrm{1721}}^1$

素因数の和:2640

約数の個数: 24

約数和(自身を含む): 61248096

約数和(自身を除く): 33027138

約数列:

[1, 2, 3, 6, 9, 18, 911, 1721, 1822, 2733, 3442, 5163, 5466, 8199, 10326, 15489, 16398, 30978, 1567831, 3135662, 4703493, 9406986, 14110479, 28220958]

約数ペア:

[(1, 28220958), (2, 14110479), (3, 9406986), (6, 4703493), (9, 3135662), (18, 1567831), (911, 30978), (1721, 16398), (1822, 15489), (2733, 10326), (3442, 8199), (5163, 5466)]