1994172895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{7901}}^1$

素因数の和:8283

約数の個数: 32

約数和(自身を含む): 2819686464

約数和(自身を除く): 825513569

約数列:

[1, 5, 11, 13, 55, 65, 143, 353, 715, 1765, 3883, 4589, 7901, 19415, 22945, 39505, 50479, 86911, 102713, 252395, 434555, 513565, 1129843, 2789053, 5649215, 13945265, 30679583, 36257689, 153397915, 181288445, 398834579, 1994172895]

約数ペア:

[(1, 1994172895), (5, 398834579), (11, 181288445), (13, 153397915), (55, 36257689), (65, 30679583), (143, 13945265), (353, 5649215), (715, 2789053), (1765, 1129843), (3883, 513565), (4589, 434555), (7901, 252395), (19415, 102713), (22945, 86911), (39505, 50479)]