81852652

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{21031}}^1$

素因数の和:21181

約数の個数: 24

約数和(自身を含む): 164890880

約数和(自身を除く): 83038228

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 21031, 42062, 84124, 147217, 294434, 588868, 2923309, 5846618, 11693236, 20463163, 40926326, 81852652]

約数ペア:

[(1, 81852652), (2, 40926326), (4, 20463163), (7, 11693236), (14, 5846618), (28, 2923309), (139, 588868), (278, 294434), (556, 147217), (973, 84124), (1946, 42062), (3892, 21031)]