28911212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{9001}}^1$

素因数の和:9089

約数の個数: 24

約数和(自身を含む): 55956432

約数和(自身を除く): 27045220

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 9001, 18002, 36004, 99011, 198022, 396044, 657073, 1314146, 2628292, 7227803, 14455606, 28911212]

約数ペア:

[(1, 28911212), (2, 14455606), (4, 7227803), (11, 2628292), (22, 1314146), (44, 657073), (73, 396044), (146, 198022), (292, 99011), (803, 36004), (1606, 18002), (3212, 9001)]