1945123544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2153}}^1$

素因数の和:2269

約数の個数: 128

約数和(自身を含む): 4820135040

約数和(自身を除く): 2875011496

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 73, 91, 104, 119, 136, 146, 182, 221, 238, 292, 364, 442, 476, 511, 584, 728, 884, 949, 952, 1022, 1241, 1547, 1768, 1898, 2044, 2153, 2482, 3094, 3796, 4088, 4306, 4964, 6188, 6643, 7592, 8612, 8687, 9928, 12376, 13286, 15071, 16133, 17224, 17374, 26572, 27989, 30142, 32266, 34748, 36601, 53144, 55978, 60284, 64532, 69496, 73202, 111956, 112931, 120568, 129064, 146404, 157169, 195923, 223912, 225862, 256207, 292808, 314338, 391846, 451724, 475813, 512414, 628676, 783692, 903448, 951626, 1024828, 1100183, 1257352, 1567384, 1903252, 2043197, 2049656, 2200366, 2671873, 3330691, 3806504, 4086394, 4400732, 5343746, 6661382, 8172788, 8801464, 10687492, 13322764, 14302379, 16345576, 18703111, 21374984, 26645528, 28604758, 34734349, 37406222, 57209516, 69468698, 74812444, 114419032, 138937396, 149624888, 243140443, 277874792, 486280886, 972561772, 1945123544]

約数ペア:

[(1, 1945123544), (2, 972561772), (4, 486280886), (7, 277874792), (8, 243140443), (13, 149624888), (14, 138937396), (17, 114419032), (26, 74812444), (28, 69468698), (34, 57209516), (52, 37406222), (56, 34734349), (68, 28604758), (73, 26645528), (91, 21374984), (104, 18703111), (119, 16345576), (136, 14302379), (146, 13322764), (182, 10687492), (221, 8801464), (238, 8172788), (292, 6661382), (364, 5343746), (442, 4400732), (476, 4086394), (511, 3806504), (584, 3330691), (728, 2671873), (884, 2200366), (949, 2049656), (952, 2043197), (1022, 1903252), (1241, 1567384), (1547, 1257352), (1768, 1100183), (1898, 1024828), (2044, 951626), (2153, 903448), (2482, 783692), (3094, 628676), (3796, 512414), (4088, 475813), (4306, 451724), (4964, 391846), (6188, 314338), (6643, 292808), (7592, 256207), (8612, 225862), (8687, 223912), (9928, 195923), (12376, 157169), (13286, 146404), (15071, 129064), (16133, 120568), (17224, 112931), (17374, 111956), (26572, 73202), (27989, 69496), (30142, 64532), (32266, 60284), (34748, 55978), (36601, 53144)]