81666055

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{3041}}^1$

素因数の和:3218

約数の個数: 16

約数和(自身を含む): 101189088

約数和(自身を除く): 19523033

約数列:

[1, 5, 41, 131, 205, 655, 3041, 5371, 15205, 26855, 124681, 398371, 623405, 1991855, 16333211, 81666055]

約数ペア:

[(1, 81666055), (5, 16333211), (41, 1991855), (131, 623405), (205, 398371), (655, 124681), (3041, 26855), (5371, 15205)]