287237041

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 402554880

約数和(自身を除く): 115317839

約数列:

[1, 7, 13, 19, 23, 31, 91, 133, 161, 217, 233, 247, 299, 403, 437, 589, 713, 1631, 1729, 2093, 2821, 3029, 3059, 4123, 4427, 4991, 5359, 5681, 7223, 7657, 9269, 13547, 21203, 30989, 37513, 39767, 50561, 53599, 57551, 64883, 69667, 93899, 94829, 101821, 137237, 166129, 176111, 402857, 487669, 657293, 712747, 960659, 1162903, 1232777, 1323673, 1784081, 2159677, 3156451, 9265711, 12488567, 15117739, 22095157, 41033863, 287237041]

約数ペア:

[(1, 287237041), (7, 41033863), (13, 22095157), (19, 15117739), (23, 12488567), (31, 9265711), (91, 3156451), (133, 2159677), (161, 1784081), (217, 1323673), (233, 1232777), (247, 1162903), (299, 960659), (403, 712747), (437, 657293), (589, 487669), (713, 402857), (1631, 176111), (1729, 166129), (2093, 137237), (2821, 101821), (3029, 94829), (3059, 93899), (4123, 69667), (4427, 64883), (4991, 57551), (5359, 53599), (5681, 50561), (7223, 39767), (7657, 37513), (9269, 30989), (13547, 21203)]