15864485

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 25338096

約数和(自身を除く): 9473611

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 293, 455, 595, 637, 833, 1105, 1465, 1547, 2051, 3185, 3809, 4165, 4981, 7735, 10255, 10829, 14357, 19045, 24905, 26663, 34867, 54145, 64753, 71785, 133315, 174335, 186641, 244069, 323765, 453271, 933205, 1220345, 2266355, 3172897, 15864485]

約数ペア:

[(1, 15864485), (5, 3172897), (7, 2266355), (13, 1220345), (17, 933205), (35, 453271), (49, 323765), (65, 244069), (85, 186641), (91, 174335), (119, 133315), (221, 71785), (245, 64753), (293, 54145), (455, 34867), (595, 26663), (637, 24905), (833, 19045), (1105, 14357), (1465, 10829), (1547, 10255), (2051, 7735), (3185, 4981), (3809, 4165)]