28057205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26849}}^1$

素因数の和:26884

約数の個数: 16

約数和(自身を含む): 38664000

約数和(自身を除く): 10606795

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 26849, 134245, 295339, 510131, 1476695, 2550655, 5611441, 28057205]

約数ペア:

[(1, 28057205), (5, 5611441), (11, 2550655), (19, 1476695), (55, 510131), (95, 295339), (209, 134245), (1045, 26849)]