26119205

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 13716955

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 181, 217, 245, 589, 665, 905, 931, 1085, 1267, 1519, 2945, 3439, 4123, 4655, 5611, 6335, 7595, 8869, 17195, 20615, 24073, 28055, 28861, 39277, 44345, 106609, 120365, 144305, 168511, 196385, 274939, 533045, 746263, 842555, 1374695, 3731315, 5223841, 26119205]

約数ペア:

[(1, 26119205), (5, 5223841), (7, 3731315), (19, 1374695), (31, 842555), (35, 746263), (49, 533045), (95, 274939), (133, 196385), (155, 168511), (181, 144305), (217, 120365), (245, 106609), (589, 44345), (665, 39277), (905, 28861), (931, 28055), (1085, 24073), (1267, 20615), (1519, 17195), (2945, 8869), (3439, 7595), (4123, 6335), (4655, 5611)]