81541444

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1151}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 145152000

約数和(自身を除く): 63610556

約数列:

[1, 2, 4, 89, 178, 199, 356, 398, 796, 1151, 2302, 4604, 17711, 35422, 70844, 102439, 204878, 229049, 409756, 458098, 916196, 20385361, 40770722, 81541444]

約数ペア:

[(1, 81541444), (2, 40770722), (4, 20385361), (89, 916196), (178, 458098), (199, 409756), (356, 229049), (398, 204878), (796, 102439), (1151, 70844), (2302, 35422), (4604, 17711)]