80471272

素因数分解:

$2^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2221}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 172782720

約数和(自身を除く): 92311448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 647, 1294, 2221, 2588, 4442, 4529, 5176, 8884, 9058, 15547, 17768, 18116, 31094, 36232, 62188, 124376, 1436987, 2873974, 5747948, 10058909, 11495896, 20117818, 40235636, 80471272]

約数ペア:

[(1, 80471272), (2, 40235636), (4, 20117818), (7, 11495896), (8, 10058909), (14, 5747948), (28, 2873974), (56, 1436987), (647, 124376), (1294, 62188), (2221, 36232), (2588, 31094), (4442, 18116), (4529, 17768), (5176, 15547), (8884, 9058)]