2009605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 651515

約数列:

[1, 5, 13, 43, 65, 215, 559, 719, 2795, 3595, 9347, 30917, 46735, 154585, 401921, 2009605]

約数ペア:

[(1, 2009605), (5, 401921), (13, 154585), (43, 46735), (65, 30917), (215, 9347), (559, 3595), (719, 2795)]