2215690085

素因数分解:

$5^1\times 7^2\times {\mathrm{1171}}^1\times {\mathrm{7723}}^1$

素因数の和:8913

約数の個数: 24

約数和(自身を含む): 3095964576

約数和(自身を除く): 880274491

約数列:

[1, 5, 7, 35, 49, 245, 1171, 5855, 7723, 8197, 38615, 40985, 54061, 57379, 270305, 286895, 378427, 1892135, 9043633, 45218165, 63305431, 316527155, 443138017, 2215690085]

約数ペア:

[(1, 2215690085), (5, 443138017), (7, 316527155), (35, 63305431), (49, 45218165), (245, 9043633), (1171, 1892135), (5855, 378427), (7723, 286895), (8197, 270305), (38615, 57379), (40985, 54061)]