16531915

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 20489760

約数和(自身を除く): 3957845

約数列:

[1, 5, 61, 67, 305, 335, 809, 4045, 4087, 20435, 49349, 54203, 246745, 271015, 3306383, 16531915]

約数ペア:

[(1, 16531915), (5, 3306383), (61, 271015), (67, 246745), (305, 54203), (335, 49349), (809, 20435), (4045, 4087)]