20180111104

素因数分解:

$2^8\times {\mathrm{78828559}}^1$

素因数の和:78828575

約数の個数: 18

約数和(自身を含む): 40281394160

約数和(自身を除く): 20101283056

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78828559, 157657118, 315314236, 630628472, 1261256944, 2522513888, 5045027776, 10090055552, 20180111104]

約数ペア:

[(1, 20180111104), (2, 10090055552), (4, 5045027776), (8, 2522513888), (16, 1261256944), (32, 630628472), (64, 315314236), (128, 157657118), (256, 78828559)]