128112012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4003}}^1$

素因数の和:4147

約数の個数: 72

約数和(自身を含む): 373108736

約数和(自身を除く): 244996724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4003, 4572, 5334, 8001, 8006, 10668, 12009, 16002, 16012, 24018, 28021, 32004, 36027, 48036, 56042, 72054, 84063, 112084, 144108, 168126, 252189, 336252, 504378, 508381, 1008756, 1016762, 1525143, 2033524, 3050286, 3558667, 4575429, 6100572, 7117334, 9150858, 10676001, 14234668, 18301716, 21352002, 32028003, 42704004, 64056006, 128112012]

約数ペア:

[(1, 128112012), (2, 64056006), (3, 42704004), (4, 32028003), (6, 21352002), (7, 18301716), (9, 14234668), (12, 10676001), (14, 9150858), (18, 7117334), (21, 6100572), (28, 4575429), (36, 3558667), (42, 3050286), (63, 2033524), (84, 1525143), (126, 1016762), (127, 1008756), (252, 508381), (254, 504378), (381, 336252), (508, 252189), (762, 168126), (889, 144108), (1143, 112084), (1524, 84063), (1778, 72054), (2286, 56042), (2667, 48036), (3556, 36027), (4003, 32004), (4572, 28021), (5334, 24018), (8001, 16012), (8006, 16002), (10668, 12009)]