2018981377

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{129281}}^1$

素因数の和:129408

約数の個数: 16

約数和(自身を含む): 2432570112

約数和(自身を除く): 413588735

約数列:

[1, 7, 23, 97, 161, 679, 2231, 15617, 129281, 904967, 2973463, 12540257, 20814241, 87781799, 288425911, 2018981377]

約数ペア:

[(1, 2018981377), (7, 288425911), (23, 87781799), (97, 20814241), (161, 12540257), (679, 2973463), (2231, 904967), (15617, 129281)]