39189815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 56816640

約数和(自身を除く): 17626825

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 445, 547, 623, 805, 2047, 2735, 3115, 3829, 10235, 12581, 14329, 19145, 48683, 62905, 71645, 88067, 243415, 340781, 440335, 1119709, 1703905, 5598545, 7837963, 39189815]

約数ペア:

[(1, 39189815), (5, 7837963), (7, 5598545), (23, 1703905), (35, 1119709), (89, 440335), (115, 340781), (161, 243415), (445, 88067), (547, 71645), (623, 62905), (805, 48683), (2047, 19145), (2735, 14329), (3115, 12581), (3829, 10235)]