12821216

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{1559}}^1$

素因数の和:1826

約数の個数: 24

約数和(自身を含む): 25356240

約数和(自身を除く): 12535024

約数列:

[1, 2, 4, 8, 16, 32, 257, 514, 1028, 1559, 2056, 3118, 4112, 6236, 8224, 12472, 24944, 49888, 400663, 801326, 1602652, 3205304, 6410608, 12821216]

約数ペア:

[(1, 12821216), (2, 6410608), (4, 3205304), (8, 1602652), (16, 801326), (32, 400663), (257, 49888), (514, 24944), (1028, 12472), (1559, 8224), (2056, 6236), (3118, 4112)]