27487664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{39953}}^1$

素因数の和:40004

約数の個数: 20

約数和(自身を含む): 54497256

約数和(自身を除く): 27009592

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 39953, 79906, 159812, 319624, 639248, 1717979, 3435958, 6871916, 13743832, 27487664]

約数ペア:

[(1, 27487664), (2, 13743832), (4, 6871916), (8, 3435958), (16, 1717979), (43, 639248), (86, 319624), (172, 159812), (344, 79906), (688, 39953)]