1288396821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{219451}}^1$

素因数の和:219576

約数の個数: 16

約数和(自身を含む): 1825840640

約数和(自身を除く): 537443819

約数列:

[1, 3, 19, 57, 103, 309, 1957, 5871, 219451, 658353, 4169569, 12508707, 22603453, 67810359, 429465607, 1288396821]

約数ペア:

[(1, 1288396821), (3, 429465607), (19, 67810359), (57, 22603453), (103, 12508707), (309, 4169569), (1957, 658353), (5871, 219451)]