238120393

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{17989}}^1$

素因数の和:18088

約数の個数: 16

約数和(自身を含む): 285537280

約数和(自身を除く): 47416887

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 17989, 125923, 557659, 1097329, 3903613, 7681303, 34017199, 238120393]

約数ペア:

[(1, 238120393), (7, 34017199), (31, 7681303), (61, 3903613), (217, 1097329), (427, 557659), (1891, 125923), (13237, 17989)]