217981764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 288

約数和(自身を含む): 774918144

約数和(自身を除く): 556936380

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 23, 26, 28, 33, 36, 39, 42, 44, 46, 52, 63, 66, 69, 77, 78, 84, 91, 92, 99, 117, 126, 132, 138, 143, 154, 156, 161, 182, 198, 207, 231, 234, 252, 253, 263, 273, 276, 286, 299, 308, 322, 364, 396, 414, 429, 462, 468, 483, 506, 526, 546, 572, 598, 644, 693, 759, 789, 819, 828, 858, 897, 924, 966, 1001, 1012, 1052, 1092, 1196, 1287, 1386, 1449, 1518, 1578, 1638, 1716, 1771, 1794, 1841, 1932, 2002, 2093, 2277, 2367, 2574, 2691, 2772, 2893, 2898, 3003, 3036, 3156, 3276, 3289, 3419, 3542, 3588, 3682, 4004, 4186, 4554, 4734, 5148, 5313, 5382, 5523, 5786, 5796, 6006, 6049, 6279, 6578, 6838, 7084, 7364, 8372, 8679, 9009, 9108, 9468, 9867, 10257, 10626, 10764, 11046, 11572, 12012, 12098, 12558, 13156, 13676, 15939, 16569, 17358, 18018, 18147, 18837, 19734, 20251, 20514, 21252, 22092, 23023, 23933, 24196, 25116, 26037, 29601, 30771, 31878, 33138, 34716, 36036, 36294, 37609, 37674, 39468, 40502, 41028, 42343, 46046, 47866, 52074, 54441, 59202, 60753, 61542, 63756, 66276, 66539, 69069, 71799, 72588, 75218, 75348, 78637, 81004, 84686, 92092, 95732, 104148, 108882, 112827, 118404, 121506, 123084, 127029, 133078, 138138, 143598, 150436, 157274, 169372, 182259, 199617, 207207, 215397, 217764, 225654, 235911, 243012, 254058, 263263, 266156, 276276, 287196, 314548, 338481, 364518, 381087, 399234, 414414, 430794, 451308, 465773, 471822, 508116, 526526, 550459, 598851, 676962, 707733, 729036, 762174, 789789, 798468, 828828, 861588, 865007, 931546, 943644, 1053052, 1100918, 1197702, 1353924, 1397319, 1415466, 1524348, 1579578, 1651377, 1730014, 1863092, 2201836, 2369367, 2395404, 2595021, 2794638, 2830932, 3159156, 3302754, 3460028, 4191957, 4738734, 4954131, 5190042, 5589276, 6055049, 6605508, 7785063, 8383914, 9477468, 9908262, 10380084, 12110098, 15570126, 16767828, 18165147, 19816524, 24220196, 31140252, 36330294, 54495441, 72660588, 108990882, 217981764]

約数ペア:

[(1, 217981764), (2, 108990882), (3, 72660588), (4, 54495441), (6, 36330294), (7, 31140252), (9, 24220196), (11, 19816524), (12, 18165147), (13, 16767828), (14, 15570126), (18, 12110098), (21, 10380084), (22, 9908262), (23, 9477468), (26, 8383914), (28, 7785063), (33, 6605508), (36, 6055049), (39, 5589276), (42, 5190042), (44, 4954131), (46, 4738734), (52, 4191957), (63, 3460028), (66, 3302754), (69, 3159156), (77, 2830932), (78, 2794638), (84, 2595021), (91, 2395404), (92, 2369367), (99, 2201836), (117, 1863092), (126, 1730014), (132, 1651377), (138, 1579578), (143, 1524348), (154, 1415466), (156, 1397319), (161, 1353924), (182, 1197702), (198, 1100918), (207, 1053052), (231, 943644), (234, 931546), (252, 865007), (253, 861588), (263, 828828), (273, 798468), (276, 789789), (286, 762174), (299, 729036), (308, 707733), (322, 676962), (364, 598851), (396, 550459), (414, 526526), (429, 508116), (462, 471822), (468, 465773), (483, 451308), (506, 430794), (526, 414414), (546, 399234), (572, 381087), (598, 364518), (644, 338481), (693, 314548), (759, 287196), (789, 276276), (819, 266156), (828, 263263), (858, 254058), (897, 243012), (924, 235911), (966, 225654), (1001, 217764), (1012, 215397), (1052, 207207), (1092, 199617), (1196, 182259), (1287, 169372), (1386, 157274), (1449, 150436), (1518, 143598), (1578, 138138), (1638, 133078), (1716, 127029), (1771, 123084), (1794, 121506), (1841, 118404), (1932, 112827), (2002, 108882), (2093, 104148), (2277, 95732), (2367, 92092), (2574, 84686), (2691, 81004), (2772, 78637), (2893, 75348), (2898, 75218), (3003, 72588), (3036, 71799), (3156, 69069), (3276, 66539), (3289, 66276), (3419, 63756), (3542, 61542), (3588, 60753), (3682, 59202), (4004, 54441), (4186, 52074), (4554, 47866), (4734, 46046), (5148, 42343), (5313, 41028), (5382, 40502), (5523, 39468), (5786, 37674), (5796, 37609), (6006, 36294), (6049, 36036), (6279, 34716), (6578, 33138), (6838, 31878), (7084, 30771), (7364, 29601), (8372, 26037), (8679, 25116), (9009, 24196), (9108, 23933), (9468, 23023), (9867, 22092), (10257, 21252), (10626, 20514), (10764, 20251), (11046, 19734), (11572, 18837), (12012, 18147), (12098, 18018), (12558, 17358), (13156, 16569), (13676, 15939)]