28289128

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1499}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 60840000

約数和(自身を除く): 32550872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1348, 1499, 2359, 2696, 2998, 4718, 5996, 9436, 10493, 11992, 18872, 20986, 41972, 83944, 505163, 1010326, 2020652, 3536141, 4041304, 7072282, 14144564, 28289128]

約数ペア:

[(1, 28289128), (2, 14144564), (4, 7072282), (7, 4041304), (8, 3536141), (14, 2020652), (28, 1010326), (56, 505163), (337, 83944), (674, 41972), (1348, 20986), (1499, 18872), (2359, 11992), (2696, 10493), (2998, 9436), (4718, 5996)]