199702621

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{1063}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 217413504

約数和(自身を除く): 17710883

約数列:

[1, 17, 43, 257, 731, 1063, 4369, 11051, 18071, 45709, 187867, 273191, 777053, 4644247, 11747213, 199702621]

約数ペア:

[(1, 199702621), (17, 11747213), (43, 4644247), (257, 777053), (731, 273191), (1063, 187867), (4369, 45709), (11051, 18071)]