2040235561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1180009}}^1$

素因数の和:1180048

約数の個数: 16

約数和(自身を含む): 2643222400

約数和(自身を除く): 602986839

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1180009, 8260063, 15340117, 22420171, 107380819, 156941197, 291462223, 2040235561]

約数ペア:

[(1, 2040235561), (7, 291462223), (13, 156941197), (19, 107380819), (91, 22420171), (133, 15340117), (247, 8260063), (1729, 1180009)]