28291627

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16363}}^1$

素因数の和:16402

約数の個数: 16

約数和(自身を含む): 36655360

約数和(自身を除く): 8363733

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16363, 114541, 212719, 310897, 1489033, 2176279, 4041661, 28291627]

約数ペア:

[(1, 28291627), (7, 4041661), (13, 2176279), (19, 1489033), (91, 310897), (133, 212719), (247, 114541), (1729, 16363)]