218222011

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{4957}}^1$

素因数の和:5314

約数の個数: 16

約数和(自身を含む): 263368960

約数和(自身を除く): 45146949

約数列:

[1, 7, 19, 133, 331, 2317, 4957, 6289, 34699, 44023, 94183, 659281, 1640767, 11485369, 31174573, 218222011]

約数ペア:

[(1, 218222011), (7, 31174573), (19, 11485369), (133, 1640767), (331, 659281), (2317, 94183), (4957, 44023), (6289, 34699)]