81185174

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{41719}}^1$

素因数の和:41867

約数の個数: 16

約数和(自身を含む): 140179200

約数和(自身を除く): 58994026

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 41719, 83438, 292033, 584066, 5798941, 11597882, 40592587, 81185174]

約数ペア:

[(1, 81185174), (2, 40592587), (7, 11597882), (14, 5798941), (139, 584066), (278, 292033), (973, 83438), (1946, 41719)]