85811257

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{7001}}^1$

素因数の和:7128

約数の個数: 16

約数和(自身を含む): 104861952

約数和(自身を除く): 19050695

約数列:

[1, 7, 17, 103, 119, 721, 1751, 7001, 12257, 49007, 119017, 721103, 833119, 5047721, 12258751, 85811257]

約数ペア:

[(1, 85811257), (7, 12258751), (17, 5047721), (103, 833119), (119, 721103), (721, 119017), (1751, 49007), (7001, 12257)]