81031728

素因数分解:

$2^4\times 3^1\times {\mathrm{1688161}}^1$

素因数の和:1688172

約数の個数: 20

約数和(自身を含む): 209332088

約数和(自身を除く): 128300360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1688161, 3376322, 5064483, 6752644, 10128966, 13505288, 20257932, 27010576, 40515864, 81031728]

約数ペア:

[(1, 81031728), (2, 40515864), (3, 27010576), (4, 20257932), (6, 13505288), (8, 10128966), (12, 6752644), (16, 5064483), (24, 3376322), (48, 1688161)]