868756889

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 1183695744

約数和(自身を除く): 314938855

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 257, 307, 847, 1001, 1573, 1799, 2149, 2827, 3341, 3377, 3991, 11011, 19789, 23387, 23639, 27937, 31097, 36751, 37147, 43901, 78899, 217679, 257257, 260029, 307307, 404261, 482911, 552293, 867889, 1025687, 2829827, 3380377, 6075223, 7179809, 9546779, 11282557, 66827453, 78977899, 124108127, 868756889]

約数ペア:

[(1, 868756889), (7, 124108127), (11, 78977899), (13, 66827453), (77, 11282557), (91, 9546779), (121, 7179809), (143, 6075223), (257, 3380377), (307, 2829827), (847, 1025687), (1001, 867889), (1573, 552293), (1799, 482911), (2149, 404261), (2827, 307307), (3341, 260029), (3377, 257257), (3991, 217679), (11011, 78899), (19789, 43901), (23387, 37147), (23639, 36751), (27937, 31097)]