1999291256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{701}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 4047058080

約数和(自身を除く): 2047766824

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 313, 536, 626, 701, 1139, 1252, 1402, 2278, 2504, 2804, 4556, 5321, 5608, 9112, 10642, 11917, 20971, 21284, 23834, 41942, 42568, 46967, 47668, 83884, 93934, 95336, 167768, 187868, 219413, 356507, 375736, 438826, 713014, 798439, 877652, 1426028, 1596878, 1755304, 2852056, 3193756, 3730021, 6387512, 7460042, 14700671, 14920084, 29401342, 29840168, 58802684, 117605368, 249911407, 499822814, 999645628, 1999291256]

約数ペア:

[(1, 1999291256), (2, 999645628), (4, 499822814), (8, 249911407), (17, 117605368), (34, 58802684), (67, 29840168), (68, 29401342), (134, 14920084), (136, 14700671), (268, 7460042), (313, 6387512), (536, 3730021), (626, 3193756), (701, 2852056), (1139, 1755304), (1252, 1596878), (1402, 1426028), (2278, 877652), (2504, 798439), (2804, 713014), (4556, 438826), (5321, 375736), (5608, 356507), (9112, 219413), (10642, 187868), (11917, 167768), (20971, 95336), (21284, 93934), (23834, 83884), (41942, 47668), (42568, 46967)]