2040679991

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{20543}}^1$

素因数の和:21190

約数の個数: 16

約数和(自身を含む): 2437668864

約数和(自身を除く): 396988873

約数列:

[1, 7, 23, 161, 617, 4319, 14191, 20543, 99337, 143801, 472489, 3307423, 12675031, 88725217, 291525713, 2040679991]

約数ペア:

[(1, 2040679991), (7, 291525713), (23, 88725217), (161, 12675031), (617, 3307423), (4319, 472489), (14191, 143801), (20543, 99337)]