397334815

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{7129}}^1$

素因数の和:7362

約数の個数: 16

約数和(自身を含む): 486665280

約数和(自身を除く): 89330465

約数列:

[1, 5, 71, 157, 355, 785, 7129, 11147, 35645, 55735, 506159, 1119253, 2530795, 5596265, 79466963, 397334815]

約数ペア:

[(1, 397334815), (5, 79466963), (71, 5596265), (157, 2530795), (355, 1119253), (785, 506159), (7129, 55735), (11147, 35645)]