12686471

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 16773120

約数和(自身を除く): 4086649

約数列:

[1, 7, 17, 19, 31, 119, 133, 181, 217, 323, 527, 589, 1267, 2261, 3077, 3439, 3689, 4123, 5611, 10013, 21539, 24073, 39277, 58463, 70091, 95387, 106609, 409241, 667709, 746263, 1812353, 12686471]

約数ペア:

[(1, 12686471), (7, 1812353), (17, 746263), (19, 667709), (31, 409241), (119, 106609), (133, 95387), (181, 70091), (217, 58463), (323, 39277), (527, 24073), (589, 21539), (1267, 10013), (2261, 5611), (3077, 4123), (3439, 3689)]