216109439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{124991}}^1$

素因数の和:125030

約数の個数: 16

約数和(自身を含む): 279982080

約数和(自身を除く): 63872641

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 124991, 874937, 1624883, 2374829, 11374181, 16623803, 30872777, 216109439]

約数ペア:

[(1, 216109439), (7, 30872777), (13, 16623803), (19, 11374181), (91, 2374829), (133, 1624883), (247, 874937), (1729, 124991)]