239490865

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1\times {\mathrm{1091}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 294630336

約数和(自身を除く): 55139471

約数列:

[1, 5, 43, 215, 1021, 1091, 5105, 5455, 43903, 46913, 219515, 234565, 1113911, 5569555, 47898173, 239490865]

約数ペア:

[(1, 239490865), (5, 47898173), (43, 5569555), (215, 1113911), (1021, 234565), (1091, 219515), (5105, 46913), (5455, 43903)]