219581856

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:515

約数の個数: 144

約数和(自身を含む): 678053376

約数和(自身を除く): 458471520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 223, 234, 263, 288, 312, 416, 446, 468, 526, 624, 669, 789, 892, 936, 1052, 1248, 1338, 1578, 1784, 1872, 2007, 2104, 2367, 2676, 2899, 3156, 3419, 3568, 3744, 4014, 4208, 4734, 5352, 5798, 6312, 6838, 7136, 8028, 8416, 8697, 9468, 10257, 10704, 11596, 12624, 13676, 16056, 17394, 18936, 20514, 21408, 23192, 25248, 26091, 27352, 30771, 32112, 34788, 37872, 41028, 46384, 52182, 54704, 58649, 61542, 64224, 69576, 75744, 82056, 92768, 104364, 109408, 117298, 123084, 139152, 164112, 175947, 208728, 234596, 246168, 278304, 328224, 351894, 417456, 469192, 492336, 527841, 703788, 762437, 834912, 938384, 984672, 1055682, 1407576, 1524874, 1876768, 2111364, 2287311, 2815152, 3049748, 4222728, 4574622, 5630304, 6099496, 6861933, 8445456, 9149244, 12198992, 13723866, 16890912, 18298488, 24397984, 27447732, 36596976, 54895464, 73193952, 109790928, 219581856]

約数ペア:

[(1, 219581856), (2, 109790928), (3, 73193952), (4, 54895464), (6, 36596976), (8, 27447732), (9, 24397984), (12, 18298488), (13, 16890912), (16, 13723866), (18, 12198992), (24, 9149244), (26, 8445456), (32, 6861933), (36, 6099496), (39, 5630304), (48, 4574622), (52, 4222728), (72, 3049748), (78, 2815152), (96, 2287311), (104, 2111364), (117, 1876768), (144, 1524874), (156, 1407576), (208, 1055682), (223, 984672), (234, 938384), (263, 834912), (288, 762437), (312, 703788), (416, 527841), (446, 492336), (468, 469192), (526, 417456), (624, 351894), (669, 328224), (789, 278304), (892, 246168), (936, 234596), (1052, 208728), (1248, 175947), (1338, 164112), (1578, 139152), (1784, 123084), (1872, 117298), (2007, 109408), (2104, 104364), (2367, 92768), (2676, 82056), (2899, 75744), (3156, 69576), (3419, 64224), (3568, 61542), (3744, 58649), (4014, 54704), (4208, 52182), (4734, 46384), (5352, 41028), (5798, 37872), (6312, 34788), (6838, 32112), (7136, 30771), (8028, 27352), (8416, 26091), (8697, 25248), (9468, 23192), (10257, 21408), (10704, 20514), (11596, 18936), (12624, 17394), (13676, 16056)]