217876477

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{126013}}^1$

素因数の和:126052

約数の個数: 16

約数和(自身を含む): 282271360

約数和(自身を除く): 64394883

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 126013, 882091, 1638169, 2394247, 11467183, 16759729, 31125211, 217876477]

約数ペア:

[(1, 217876477), (7, 31125211), (13, 16759729), (19, 11467183), (91, 2394247), (133, 1638169), (247, 882091), (1729, 126013)]