27886736

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12539}}^1$

素因数の和:12686

約数の個数: 20

約数和(自身を含む): 54423600

約数和(自身を除く): 26536864

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12539, 25078, 50156, 100312, 200624, 1742921, 3485842, 6971684, 13943368, 27886736]

約数ペア:

[(1, 27886736), (2, 13943368), (4, 6971684), (8, 3485842), (16, 1742921), (139, 200624), (278, 100312), (556, 50156), (1112, 25078), (2224, 12539)]