12389615

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 18493440

約数和(自身を除く): 6103825

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 601, 665, 1085, 2945, 3005, 4123, 4207, 11419, 18631, 20615, 21035, 57095, 79933, 93155, 130417, 353989, 399665, 652085, 1769945, 2477923, 12389615]

約数ペア:

[(1, 12389615), (5, 2477923), (7, 1769945), (19, 652085), (31, 399665), (35, 353989), (95, 130417), (133, 93155), (155, 79933), (217, 57095), (589, 21035), (601, 20615), (665, 18631), (1085, 11419), (2945, 4207), (3005, 4123)]