81951772

素因数分解:

$2^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{12781}}^1$

素因数の和:13021

約数の個数: 24

約数和(自身を含む): 164632160

約数和(自身を除く): 82680388

約数列:

[1, 2, 4, 7, 14, 28, 229, 458, 916, 1603, 3206, 6412, 12781, 25562, 51124, 89467, 178934, 357868, 2926849, 5853698, 11707396, 20487943, 40975886, 81951772]

約数ペア:

[(1, 81951772), (2, 40975886), (4, 20487943), (7, 11707396), (14, 5853698), (28, 2926849), (229, 357868), (458, 178934), (916, 89467), (1603, 51124), (3206, 25562), (6412, 12781)]