81734842

素因数分解:

$2^1\times 7^4\times {\mathrm{17021}}^1$

素因数の和:17051

約数の個数: 20

約数和(自身を含む): 143035866

約数和(自身を除く): 61301024

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 17021, 34042, 119147, 238294, 834029, 1668058, 5838203, 11676406, 40867421, 81734842]

約数ペア:

[(1, 81734842), (2, 40867421), (7, 11676406), (14, 5838203), (49, 1668058), (98, 834029), (343, 238294), (686, 119147), (2401, 34042), (4802, 17021)]