38686571

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 49706496

約数和(自身を除く): 11019925

約数列:

[1, 7, 11, 37, 77, 259, 367, 407, 1369, 2569, 2849, 4037, 9583, 13579, 15059, 28259, 95053, 105413, 149369, 502423, 1045583, 3516961, 5526653, 38686571]

約数ペア:

[(1, 38686571), (7, 5526653), (11, 3516961), (37, 1045583), (77, 502423), (259, 149369), (367, 105413), (407, 95053), (1369, 28259), (2569, 15059), (2849, 13579), (4037, 9583)]