71878004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{8209}}^1$

素因数の和:8423

約数の個数: 24

約数和(自身を含む): 137928000

約数和(自身を除く): 66049996

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 4378, 8209, 8756, 16418, 32836, 90299, 180598, 361196, 1633591, 3267182, 6534364, 17969501, 35939002, 71878004]

約数ペア:

[(1, 71878004), (2, 35939002), (4, 17969501), (11, 6534364), (22, 3267182), (44, 1633591), (199, 361196), (398, 180598), (796, 90299), (2189, 32836), (4378, 16418), (8209, 8756)]