28184989

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 33033600

約数和(自身を除く): 4848611

約数列:

[1, 7, 61, 149, 427, 443, 1043, 3101, 9089, 27023, 63623, 66007, 189161, 462049, 4026427, 28184989]

約数ペア:

[(1, 28184989), (7, 4026427), (61, 462049), (149, 189161), (427, 66007), (443, 63623), (1043, 27023), (3101, 9089)]