212991079

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{2027}}^1$

素因数の和:2934

約数の個数: 16

約数和(自身を含む): 258156288

約数和(自身を除く): 45165209

約数列:

[1, 7, 17, 119, 883, 2027, 6181, 14189, 15011, 34459, 105077, 241213, 1789841, 12528887, 30427297, 212991079]

約数ペア:

[(1, 212991079), (7, 30427297), (17, 12528887), (119, 1789841), (883, 241213), (2027, 105077), (6181, 34459), (14189, 15011)]