28119124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9001}}^1$

素因数の和:9087

約数の個数: 24

約数和(自身を含む): 54444096

約数和(自身を除く): 26324972

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 9001, 18002, 36004, 99011, 198022, 396044, 639071, 1278142, 2556284, 7029781, 14059562, 28119124]

約数ペア:

[(1, 28119124), (2, 14059562), (4, 7029781), (11, 2556284), (22, 1278142), (44, 639071), (71, 396044), (142, 198022), (284, 99011), (781, 36004), (1562, 18002), (3124, 9001)]