87778864

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{21347}}^1$

素因数の和:21612

約数の個数: 20

約数和(自身を含む): 170741304

約数和(自身を除く): 82962440

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 21347, 42694, 85388, 170776, 341552, 5486179, 10972358, 21944716, 43889432, 87778864]

約数ペア:

[(1, 87778864), (2, 43889432), (4, 21944716), (8, 10972358), (16, 5486179), (257, 341552), (514, 170776), (1028, 85388), (2056, 42694), (4112, 21347)]