28893254

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1272

約数の個数: 24

約数和(自身を含む): 47613672

約数和(自身を除く): 18720418

約数列:

[1, 2, 13, 26, 73, 146, 169, 338, 949, 1171, 1898, 2342, 12337, 15223, 24674, 30446, 85483, 170966, 197899, 395798, 1111279, 2222558, 14446627, 28893254]

約数ペア:

[(1, 28893254), (2, 14446627), (13, 2222558), (26, 1111279), (73, 395798), (146, 197899), (169, 170966), (338, 85483), (949, 30446), (1171, 24674), (1898, 15223), (2342, 12337)]