81488638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1499}}^1$

素因数の和:1872

約数の個数: 32

約数和(自身を含む): 152928000

約数和(自身を除く): 71439362

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 353, 706, 1499, 2471, 2998, 3883, 4942, 7766, 10493, 16489, 20986, 27181, 32978, 54362, 115423, 230846, 529147, 1058294, 3704029, 5820617, 7408058, 11641234, 40744319, 81488638]

約数ペア:

[(1, 81488638), (2, 40744319), (7, 11641234), (11, 7408058), (14, 5820617), (22, 3704029), (77, 1058294), (154, 529147), (353, 230846), (706, 115423), (1499, 54362), (2471, 32978), (2998, 27181), (3883, 20986), (4942, 16489), (7766, 10493)]