2663591

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2894

約数の個数: 12

約数和(自身を含む): 3262680

約数和(自身を除く): 599089

約数列:

[1, 7, 19, 49, 133, 931, 2861, 20027, 54359, 140189, 380513, 2663591]

約数ペア:

[(1, 2663591), (7, 380513), (19, 140189), (49, 54359), (133, 20027), (931, 2861)]