807639145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{256801}}^1$

素因数の和:256860

約数の個数: 16

約数和(自身を含む): 1053915408

約数和(自身を除く): 246276263

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 256801, 1284005, 4365617, 9501637, 21828085, 47508185, 161527829, 807639145]

約数ペア:

[(1, 807639145), (5, 161527829), (17, 47508185), (37, 21828085), (85, 9501637), (185, 4365617), (629, 1284005), (3145, 256801)]