12271985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5189}}^1$

素因数の和:5248

約数の個数: 16

約数和(自身を含む): 16441920

約数和(自身を除く): 4169935

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 5189, 25945, 57079, 223127, 285395, 1115635, 2454397, 12271985]

約数ペア:

[(1, 12271985), (5, 2454397), (11, 1115635), (43, 285395), (55, 223127), (215, 57079), (473, 25945), (2365, 5189)]