289403947

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{96823}}^1$

素因数の和:96898

約数の個数: 12

約数和(自身を含む): 342176016

約数和(自身を除く): 52772069

約数列:

[1, 7, 49, 61, 427, 2989, 96823, 677761, 4744327, 5906203, 41343421, 289403947]

約数ペア:

[(1, 289403947), (7, 41343421), (49, 5906203), (61, 4744327), (427, 677761), (2989, 96823)]