287849639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1303}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 380559360

約数和(自身を除く): 92709721

約数列:

[1, 7, 11, 19, 77, 133, 151, 209, 1057, 1303, 1463, 1661, 2869, 9121, 11627, 14333, 20083, 24757, 31559, 100331, 173299, 196753, 220913, 272327, 1377271, 1906289, 2164283, 3738307, 15149981, 26168149, 41121377, 287849639]

約数ペア:

[(1, 287849639), (7, 41121377), (11, 26168149), (19, 15149981), (77, 3738307), (133, 2164283), (151, 1906289), (209, 1377271), (1057, 272327), (1303, 220913), (1463, 196753), (1661, 173299), (2869, 100331), (9121, 31559), (11627, 24757), (14333, 20083)]