131264315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{288493}}^1$

素因数の和:288518

約数の個数: 16

約数和(自身を含む): 193867968

約数和(自身を除く): 62603653

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 288493, 1442465, 2019451, 3750409, 10097255, 18752045, 26252863, 131264315]

約数ペア:

[(1, 131264315), (5, 26252863), (7, 18752045), (13, 10097255), (35, 3750409), (65, 2019451), (91, 1442465), (455, 288493)]