1311851912

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:635

約数の個数: 96

約数和(自身を含む): 2949408000

約数和(自身を除く): 1637556088

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 223, 301, 344, 349, 392, 446, 602, 698, 892, 1204, 1396, 1561, 1784, 2107, 2408, 2443, 2792, 3122, 4214, 4886, 6244, 8428, 9589, 9772, 10927, 12488, 15007, 16856, 17101, 19178, 19544, 21854, 30014, 34202, 38356, 43708, 60028, 67123, 68404, 76712, 77827, 87416, 105049, 120056, 134246, 136808, 155654, 210098, 268492, 311308, 420196, 469861, 536984, 544789, 622616, 735343, 840392, 939722, 1089578, 1470686, 1879444, 2179156, 2941372, 3346561, 3758888, 3813523, 4358312, 5882744, 6693122, 7627046, 13386244, 15254092, 23425927, 26772488, 30508184, 46851854, 93703708, 163981489, 187407416, 327962978, 655925956, 1311851912]

約数ペア:

[(1, 1311851912), (2, 655925956), (4, 327962978), (7, 187407416), (8, 163981489), (14, 93703708), (28, 46851854), (43, 30508184), (49, 26772488), (56, 23425927), (86, 15254092), (98, 13386244), (172, 7627046), (196, 6693122), (223, 5882744), (301, 4358312), (344, 3813523), (349, 3758888), (392, 3346561), (446, 2941372), (602, 2179156), (698, 1879444), (892, 1470686), (1204, 1089578), (1396, 939722), (1561, 840392), (1784, 735343), (2107, 622616), (2408, 544789), (2443, 536984), (2792, 469861), (3122, 420196), (4214, 311308), (4886, 268492), (6244, 210098), (8428, 155654), (9589, 136808), (9772, 134246), (10927, 120056), (12488, 105049), (15007, 87416), (16856, 77827), (17101, 76712), (19178, 68404), (19544, 67123), (21854, 60028), (30014, 43708), (34202, 38356)]