278399984

素因数分解:

$2^4\times {\mathrm{1559}}^1\times {\mathrm{11161}}^1$

素因数の和:12728

約数の個数: 20

約数和(自身を含む): 539794320

約数和(自身を除く): 261394336

約数列:

[1, 2, 4, 8, 16, 1559, 3118, 6236, 11161, 12472, 22322, 24944, 44644, 89288, 178576, 17399999, 34799998, 69599996, 139199992, 278399984]

約数ペア:

[(1, 278399984), (2, 139199992), (4, 69599996), (8, 34799998), (16, 17399999), (1559, 178576), (3118, 89288), (6236, 44644), (11161, 24944), (12472, 22322)]