81571826

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{306661}}^1$

素因数の和:306689

約数の個数: 16

約数和(自身を含む): 147197760

約数和(自身を除く): 65625934

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 306661, 613322, 2146627, 4293254, 5826559, 11653118, 40785913, 81571826]

約数ペア:

[(1, 81571826), (2, 40785913), (7, 11653118), (14, 5826559), (19, 4293254), (38, 2146627), (133, 613322), (266, 306661)]