81051256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70849}}^1$

素因数の和:70879

約数の個数: 32

約数和(自身を含む): 178542000

約数和(自身を除く): 97490744

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 70849, 141698, 283396, 566792, 779339, 921037, 1558678, 1842074, 3117356, 3684148, 6234712, 7368296, 10131407, 20262814, 40525628, 81051256]

約数ペア:

[(1, 81051256), (2, 40525628), (4, 20262814), (8, 10131407), (11, 7368296), (13, 6234712), (22, 3684148), (26, 3117356), (44, 1842074), (52, 1558678), (88, 921037), (104, 779339), (143, 566792), (286, 283396), (572, 141698), (1144, 70849)]