13304545475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{1451}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 18035408160

約数和(自身を除く): 4730862685

約数列:

[1, 5, 13, 25, 65, 89, 317, 325, 445, 1157, 1451, 1585, 2225, 4121, 5785, 7255, 7925, 18863, 20605, 28213, 28925, 36275, 94315, 103025, 129139, 141065, 366769, 459967, 471575, 645695, 705325, 1678807, 1833845, 2299835, 3228475, 5979571, 8394035, 9169225, 11499175, 29897855, 40937063, 41970175, 149489275, 204685315, 532181819, 1023426575, 2660909095, 13304545475]

約数ペア:

[(1, 13304545475), (5, 2660909095), (13, 1023426575), (25, 532181819), (65, 204685315), (89, 149489275), (317, 41970175), (325, 40937063), (445, 29897855), (1157, 11499175), (1451, 9169225), (1585, 8394035), (2225, 5979571), (4121, 3228475), (5785, 2299835), (7255, 1833845), (7925, 1678807), (18863, 705325), (20605, 645695), (28213, 471575), (28925, 459967), (36275, 366769), (94315, 141065), (103025, 129139)]