81187708

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{10103}}^1$

素因数の和:10162

約数の個数: 36

約数和(自身を含む): 169322832

約数和(自身を除く): 88135124

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 10103, 20206, 40412, 70721, 141442, 282884, 414223, 495047, 828446, 990094, 1656892, 1980188, 2899561, 5799122, 11598244, 20296927, 40593854, 81187708]

約数ペア:

[(1, 81187708), (2, 40593854), (4, 20296927), (7, 11598244), (14, 5799122), (28, 2899561), (41, 1980188), (49, 1656892), (82, 990094), (98, 828446), (164, 495047), (196, 414223), (287, 282884), (574, 141442), (1148, 70721), (2009, 40412), (4018, 20206), (8036, 10103)]