31328968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1789}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 64440000

約数和(自身を除く): 33111032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1592, 1789, 2189, 3578, 4378, 7156, 8756, 14312, 17512, 19679, 39358, 78716, 157432, 356011, 712022, 1424044, 2848088, 3916121, 7832242, 15664484, 31328968]

約数ペア:

[(1, 31328968), (2, 15664484), (4, 7832242), (8, 3916121), (11, 2848088), (22, 1424044), (44, 712022), (88, 356011), (199, 157432), (398, 78716), (796, 39358), (1592, 19679), (1789, 17512), (2189, 14312), (3578, 8756), (4378, 7156)]