1218259147

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{2621}}^1\times {\mathrm{2887}}^1$

素因数の和:5538

約数の個数: 16

約数和(自身を含む): 1453888512

約数和(自身を除く): 235629365

約数列:

[1, 7, 23, 161, 2621, 2887, 18347, 20209, 60283, 66401, 421981, 464807, 7566827, 52967789, 174037021, 1218259147]

約数ペア:

[(1, 1218259147), (7, 174037021), (23, 52967789), (161, 7566827), (2621, 464807), (2887, 421981), (18347, 66401), (20209, 60283)]