25565510864

素因数分解:

$2^4\times {\mathrm{1601}}^1\times {\mathrm{998029}}^1$

素因数の和:999638

約数の個数: 20

約数和(自身を含む): 49564165860

約数和(自身を除く): 23998654996

約数列:

[1, 2, 4, 8, 16, 1601, 3202, 6404, 12808, 25616, 998029, 1996058, 3992116, 7984232, 15968464, 1597844429, 3195688858, 6391377716, 12782755432, 25565510864]

約数ペア:

[(1, 25565510864), (2, 12782755432), (4, 6391377716), (8, 3195688858), (16, 1597844429), (1601, 15968464), (3202, 7984232), (6404, 3992116), (12808, 1996058), (25616, 998029)]