27988786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2518

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 23712974

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 2447, 4894, 5719, 11438, 17129, 34258, 46493, 92986, 105221, 210442, 325451, 650902, 736547, 1473094, 1999199, 3998398, 13994393, 27988786]

約数ペア:

[(1, 27988786), (2, 13994393), (7, 3998398), (14, 1999199), (19, 1473094), (38, 736547), (43, 650902), (86, 325451), (133, 210442), (266, 105221), (301, 92986), (602, 46493), (817, 34258), (1634, 17129), (2447, 11438), (4894, 5719)]