289666979

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{96911}}^1$

素因数の和:96986

約数の個数: 12

約数和(自身を含む): 342487008

約数和(自身を除く): 52820029

約数列:

[1, 7, 49, 61, 427, 2989, 96911, 678377, 4748639, 5911571, 41380997, 289666979]

約数ペア:

[(1, 289666979), (7, 41380997), (49, 5911571), (61, 4748639), (427, 678377), (2989, 96911)]