208561677935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{8001599}}^1$

素因数の和:8002018

約数の個数: 16

約数和(自身を含む): 270198028800

約数和(自身を除く): 61636350865

約数列:

[1, 5, 13, 65, 401, 2005, 5213, 26065, 8001599, 40007995, 104020787, 520103935, 3208641199, 16043205995, 41712335587, 208561677935]

約数ペア:

[(1, 208561677935), (5, 41712335587), (13, 16043205995), (65, 3208641199), (401, 520103935), (2005, 104020787), (5213, 40007995), (26065, 8001599)]