198637439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{198439}}^1$

素因数の和:198470

約数の個数: 16

約数和(自身を含む): 266703360

約数和(自身を除く): 68065921

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 198439, 1389073, 2182829, 2579707, 15279803, 18057949, 28376777, 198637439]

約数ペア:

[(1, 198637439), (7, 28376777), (11, 18057949), (13, 15279803), (77, 2579707), (91, 2182829), (143, 1389073), (1001, 198439)]