199139087

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{17747}}^1$

素因数の和:17990

約数の個数: 12

約数和(自身を含む): 232676280

約数和(自身を除く): 33537193

約数列:

[1, 7, 49, 229, 1603, 11221, 17747, 124229, 869603, 4064063, 28448441, 199139087]

約数ペア:

[(1, 199139087), (7, 28448441), (49, 4064063), (229, 869603), (1603, 124229), (11221, 17747)]