206990264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{10103}}^1$

素因数の和:10319

約数の個数: 32

約数和(自身を含む): 420124320

約数和(自身を除く): 213134056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 5122, 10103, 10244, 20206, 20488, 40412, 80824, 131339, 262678, 525356, 1050712, 1990291, 3980582, 7961164, 15922328, 25873783, 51747566, 103495132, 206990264]

約数ペア:

[(1, 206990264), (2, 103495132), (4, 51747566), (8, 25873783), (13, 15922328), (26, 7961164), (52, 3980582), (104, 1990291), (197, 1050712), (394, 525356), (788, 262678), (1576, 131339), (2561, 80824), (5122, 40412), (10103, 20488), (10244, 20206)]