1998139

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 2388960

約数和(自身を除く): 390821

約数列:

[1, 11, 13, 89, 143, 157, 979, 1157, 1727, 2041, 12727, 13973, 22451, 153703, 181649, 1998139]

約数ペア:

[(1, 1998139), (11, 181649), (13, 153703), (89, 22451), (143, 13973), (157, 12727), (979, 2041), (1157, 1727)]