78071994

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 144

約数和(自身を含む): 231547680

約数和(自身を除く): 153475686

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 49, 63, 66, 77, 78, 91, 98, 99, 117, 126, 143, 147, 154, 182, 198, 231, 234, 273, 286, 294, 429, 441, 462, 539, 546, 619, 637, 693, 819, 858, 882, 1001, 1078, 1238, 1274, 1287, 1386, 1617, 1638, 1857, 1911, 2002, 2574, 3003, 3234, 3714, 3822, 4333, 4851, 5571, 5733, 6006, 6809, 7007, 8047, 8666, 9009, 9702, 11142, 11466, 12999, 13618, 14014, 16094, 18018, 20427, 21021, 24141, 25998, 30331, 38997, 40854, 42042, 47663, 48282, 56329, 60662, 61281, 63063, 72423, 77994, 88517, 90993, 95326, 112658, 122562, 126126, 142989, 144846, 168987, 177034, 181986, 265551, 272979, 285978, 333641, 337974, 394303, 428967, 506961, 531102, 545958, 619619, 667282, 788606, 796653, 857934, 1000923, 1013922, 1182909, 1239238, 1593306, 1858857, 2001846, 2365818, 3002769, 3548727, 3717714, 4337333, 5576571, 6005538, 7097454, 8674666, 11153142, 13011999, 26023998, 39035997, 78071994]

約数ペア:

[(1, 78071994), (2, 39035997), (3, 26023998), (6, 13011999), (7, 11153142), (9, 8674666), (11, 7097454), (13, 6005538), (14, 5576571), (18, 4337333), (21, 3717714), (22, 3548727), (26, 3002769), (33, 2365818), (39, 2001846), (42, 1858857), (49, 1593306), (63, 1239238), (66, 1182909), (77, 1013922), (78, 1000923), (91, 857934), (98, 796653), (99, 788606), (117, 667282), (126, 619619), (143, 545958), (147, 531102), (154, 506961), (182, 428967), (198, 394303), (231, 337974), (234, 333641), (273, 285978), (286, 272979), (294, 265551), (429, 181986), (441, 177034), (462, 168987), (539, 144846), (546, 142989), (619, 126126), (637, 122562), (693, 112658), (819, 95326), (858, 90993), (882, 88517), (1001, 77994), (1078, 72423), (1238, 63063), (1274, 61281), (1287, 60662), (1386, 56329), (1617, 48282), (1638, 47663), (1857, 42042), (1911, 40854), (2002, 38997), (2574, 30331), (3003, 25998), (3234, 24141), (3714, 21021), (3822, 20427), (4333, 18018), (4851, 16094), (5571, 14014), (5733, 13618), (6006, 12999), (6809, 11466), (7007, 11142), (8047, 9702), (8666, 9009)]