131043913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 187858944

約数和(自身を除く): 56815031

約数列:

[1, 7, 11, 13, 31, 41, 77, 91, 103, 143, 217, 287, 341, 403, 451, 533, 721, 1001, 1133, 1271, 1339, 2387, 2821, 3157, 3193, 3731, 4223, 4433, 5863, 7931, 8897, 9373, 13981, 14729, 16523, 22351, 29561, 31031, 35123, 41041, 41509, 46453, 54899, 97867, 103103, 115661, 130913, 181753, 245861, 290563, 325171, 384293, 456599, 603889, 916391, 1272271, 1440043, 1701869, 3196193, 4227223, 10080301, 11913083, 18720559, 131043913]

約数ペア:

[(1, 131043913), (7, 18720559), (11, 11913083), (13, 10080301), (31, 4227223), (41, 3196193), (77, 1701869), (91, 1440043), (103, 1272271), (143, 916391), (217, 603889), (287, 456599), (341, 384293), (403, 325171), (451, 290563), (533, 245861), (721, 181753), (1001, 130913), (1133, 115661), (1271, 103103), (1339, 97867), (2387, 54899), (2821, 46453), (3157, 41509), (3193, 41041), (3731, 35123), (4223, 31031), (4433, 29561), (5863, 22351), (7931, 16523), (8897, 14729), (9373, 13981)]