87642709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{1373}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 109480320

約数和(自身を除く): 21837611

約数列:

[1, 7, 11, 77, 829, 1373, 5803, 9119, 9611, 15103, 63833, 105721, 1138217, 7967519, 12520387, 87642709]

約数ペア:

[(1, 87642709), (7, 12520387), (11, 7967519), (77, 1138217), (829, 105721), (1373, 63833), (5803, 15103), (9119, 9611)]