138774328

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 209590472

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 71, 76, 77, 88, 133, 142, 152, 154, 167, 209, 266, 284, 308, 334, 418, 497, 532, 568, 616, 668, 781, 836, 994, 1064, 1169, 1336, 1349, 1463, 1562, 1672, 1837, 1988, 2338, 2698, 2926, 3124, 3173, 3674, 3976, 4676, 5396, 5467, 5852, 6248, 6346, 7348, 9352, 9443, 10792, 10934, 11704, 11857, 12692, 12859, 14696, 14839, 18886, 21868, 22211, 23714, 25384, 25718, 29678, 34903, 37772, 43736, 44422, 47428, 51436, 59356, 69806, 75544, 82999, 88844, 94856, 102872, 103873, 118712, 130427, 139612, 165998, 177688, 207746, 225283, 244321, 260854, 279224, 331996, 415492, 450566, 488642, 521708, 663992, 830984, 901132, 912989, 977284, 1043416, 1576981, 1802264, 1825978, 1954568, 2478113, 3153962, 3651956, 4956226, 6307924, 7303912, 9912452, 12615848, 17346791, 19824904, 34693582, 69387164, 138774328]

約数ペア:

[(1, 138774328), (2, 69387164), (4, 34693582), (7, 19824904), (8, 17346791), (11, 12615848), (14, 9912452), (19, 7303912), (22, 6307924), (28, 4956226), (38, 3651956), (44, 3153962), (56, 2478113), (71, 1954568), (76, 1825978), (77, 1802264), (88, 1576981), (133, 1043416), (142, 977284), (152, 912989), (154, 901132), (167, 830984), (209, 663992), (266, 521708), (284, 488642), (308, 450566), (334, 415492), (418, 331996), (497, 279224), (532, 260854), (568, 244321), (616, 225283), (668, 207746), (781, 177688), (836, 165998), (994, 139612), (1064, 130427), (1169, 118712), (1336, 103873), (1349, 102872), (1463, 94856), (1562, 88844), (1672, 82999), (1837, 75544), (1988, 69806), (2338, 59356), (2698, 51436), (2926, 47428), (3124, 44422), (3173, 43736), (3674, 37772), (3976, 34903), (4676, 29678), (5396, 25718), (5467, 25384), (5852, 23714), (6248, 22211), (6346, 21868), (7348, 18886), (9352, 14839), (9443, 14696), (10792, 12859), (10934, 12692), (11704, 11857)]