7280455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16001}}^1$

素因数の和:16026

約数の個数: 16

約数和(自身を含む): 10753344

約数和(自身を除く): 3472889

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 16001, 80005, 112007, 208013, 560035, 1040065, 1456091, 7280455]

約数ペア:

[(1, 7280455), (5, 1456091), (7, 1040065), (13, 560035), (35, 208013), (65, 112007), (91, 80005), (455, 16001)]