81219278

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{141497}}^1$

素因数の和:141547

約数の個数: 16

約数和(自身を含む): 142629984

約数和(自身を除く): 61410706

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 141497, 282994, 990479, 1980958, 5801377, 11602754, 40609639, 81219278]

約数ペア:

[(1, 81219278), (2, 40609639), (7, 11602754), (14, 5801377), (41, 1980958), (82, 990479), (287, 282994), (574, 141497)]