199941584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{304789}}^1$

素因数の和:304838

約数の個数: 20

約数和(自身を含む): 396836580

約数和(自身を除く): 196894996

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 304789, 609578, 1219156, 2438312, 4876624, 12496349, 24992698, 49985396, 99970792, 199941584]

約数ペア:

[(1, 199941584), (2, 99970792), (4, 49985396), (8, 24992698), (16, 12496349), (41, 4876624), (82, 2438312), (164, 1219156), (328, 609578), (656, 304789)]