199999111

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{3631}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 227799040

約数和(自身を除く): 27799929

約数列:

[1, 13, 19, 223, 247, 2899, 3631, 4237, 47203, 55081, 68989, 809713, 896857, 10526269, 15384547, 199999111]

約数ペア:

[(1, 199999111), (13, 15384547), (19, 10526269), (223, 896857), (247, 809713), (2899, 68989), (3631, 55081), (4237, 47203)]