208342519

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{245977}}^1$

素因数の和:246006

約数の個数: 12

約数和(自身を含む): 261720592

約数和(自身を除く): 53378073

約数列:

[1, 7, 11, 77, 121, 847, 245977, 1721839, 2705747, 18940229, 29763217, 208342519]

約数ペア:

[(1, 208342519), (7, 29763217), (11, 18940229), (77, 2705747), (121, 1721839), (847, 245977)]