17640159971

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{28319}}^1$

素因数の和:28475

約数の個数: 32

約数和(自身を含む): 21728010240

約数和(自身を除く): 4087850269

約数列:

[1, 7, 23, 53, 73, 161, 371, 511, 1219, 1679, 3869, 8533, 11753, 27083, 28319, 88987, 198233, 622909, 651337, 1500907, 2067287, 4559359, 10506349, 14471009, 34520861, 47547601, 109566211, 241646027, 332833207, 766963477, 2520022853, 17640159971]

約数ペア:

[(1, 17640159971), (7, 2520022853), (23, 766963477), (53, 332833207), (73, 241646027), (161, 109566211), (371, 47547601), (511, 34520861), (1219, 14471009), (1679, 10506349), (3869, 4559359), (8533, 2067287), (11753, 1500907), (27083, 651337), (28319, 622909), (88987, 198233)]