890331288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20947}}^1$

素因数の和:20997

約数の個数: 128

約数和(自身を含む): 2895851520

約数和(自身を除く): 2005520232

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 23, 24, 28, 33, 42, 44, 46, 56, 66, 69, 77, 84, 88, 92, 132, 138, 154, 161, 168, 184, 231, 253, 264, 276, 308, 322, 462, 483, 506, 552, 616, 644, 759, 924, 966, 1012, 1288, 1518, 1771, 1848, 1932, 2024, 3036, 3542, 3864, 5313, 6072, 7084, 10626, 14168, 20947, 21252, 41894, 42504, 62841, 83788, 125682, 146629, 167576, 230417, 251364, 293258, 439887, 460834, 481781, 502728, 586516, 691251, 879774, 921668, 963562, 1173032, 1382502, 1445343, 1612919, 1759548, 1843336, 1927124, 2765004, 2890686, 3225838, 3372467, 3519096, 3854248, 4838757, 5299591, 5530008, 5781372, 6451676, 6744934, 9677514, 10117401, 10599182, 11562744, 12903352, 13489868, 15898773, 19355028, 20234802, 21198364, 26979736, 31797546, 37097137, 38710056, 40469604, 42396728, 63595092, 74194274, 80939208, 111291411, 127190184, 148388548, 222582822, 296777096, 445165644, 890331288]

約数ペア:

[(1, 890331288), (2, 445165644), (3, 296777096), (4, 222582822), (6, 148388548), (7, 127190184), (8, 111291411), (11, 80939208), (12, 74194274), (14, 63595092), (21, 42396728), (22, 40469604), (23, 38710056), (24, 37097137), (28, 31797546), (33, 26979736), (42, 21198364), (44, 20234802), (46, 19355028), (56, 15898773), (66, 13489868), (69, 12903352), (77, 11562744), (84, 10599182), (88, 10117401), (92, 9677514), (132, 6744934), (138, 6451676), (154, 5781372), (161, 5530008), (168, 5299591), (184, 4838757), (231, 3854248), (253, 3519096), (264, 3372467), (276, 3225838), (308, 2890686), (322, 2765004), (462, 1927124), (483, 1843336), (506, 1759548), (552, 1612919), (616, 1445343), (644, 1382502), (759, 1173032), (924, 963562), (966, 921668), (1012, 879774), (1288, 691251), (1518, 586516), (1771, 502728), (1848, 481781), (1932, 460834), (2024, 439887), (3036, 293258), (3542, 251364), (3864, 230417), (5313, 167576), (6072, 146629), (7084, 125682), (10626, 83788), (14168, 62841), (20947, 42504), (21252, 41894)]