221975208

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 256

約数和(自身を含む): 793497600

約数和(自身を除く): 571522392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 23, 24, 26, 27, 28, 36, 39, 42, 46, 52, 54, 56, 63, 69, 72, 78, 84, 91, 92, 104, 108, 117, 126, 138, 156, 161, 168, 182, 184, 189, 207, 216, 234, 252, 273, 276, 299, 312, 322, 351, 364, 378, 414, 468, 483, 491, 504, 546, 552, 598, 621, 644, 702, 728, 756, 819, 828, 897, 936, 966, 982, 1092, 1196, 1242, 1288, 1404, 1449, 1473, 1512, 1638, 1656, 1794, 1932, 1964, 2093, 2184, 2392, 2457, 2484, 2691, 2808, 2898, 2946, 3276, 3437, 3588, 3864, 3928, 4186, 4347, 4419, 4914, 4968, 5382, 5796, 5892, 6279, 6383, 6552, 6874, 7176, 8073, 8372, 8694, 8838, 9828, 10311, 10764, 11293, 11592, 11784, 12558, 12766, 13257, 13748, 16146, 16744, 17388, 17676, 18837, 19149, 19656, 20622, 21528, 22586, 25116, 25532, 26514, 27496, 30933, 32292, 33879, 34776, 35352, 37674, 38298, 41244, 44681, 45172, 50232, 51064, 53028, 56511, 57447, 61866, 64584, 67758, 75348, 76596, 79051, 82488, 89362, 90344, 92799, 101637, 106056, 113022, 114894, 123732, 134043, 135516, 146809, 150696, 153192, 158102, 172341, 178724, 185598, 203274, 226044, 229788, 237153, 247464, 268086, 271032, 293618, 304911, 316204, 344682, 357448, 371196, 402129, 406548, 440427, 452088, 459576, 474306, 536172, 587236, 609822, 632408, 689364, 711459, 742392, 804258, 813096, 880854, 948612, 1027663, 1072344, 1174472, 1206387, 1219644, 1321281, 1378728, 1422918, 1608516, 1761708, 1897224, 2055326, 2134377, 2412774, 2439288, 2642562, 2845836, 3082989, 3217032, 3523416, 3963843, 4110652, 4268754, 4825548, 5285124, 5691672, 6165978, 7927686, 8221304, 8537508, 9248967, 9651096, 10570248, 12331956, 15855372, 17075016, 18497934, 24663912, 27746901, 31710744, 36995868, 55493802, 73991736, 110987604, 221975208]

約数ペア:

[(1, 221975208), (2, 110987604), (3, 73991736), (4, 55493802), (6, 36995868), (7, 31710744), (8, 27746901), (9, 24663912), (12, 18497934), (13, 17075016), (14, 15855372), (18, 12331956), (21, 10570248), (23, 9651096), (24, 9248967), (26, 8537508), (27, 8221304), (28, 7927686), (36, 6165978), (39, 5691672), (42, 5285124), (46, 4825548), (52, 4268754), (54, 4110652), (56, 3963843), (63, 3523416), (69, 3217032), (72, 3082989), (78, 2845836), (84, 2642562), (91, 2439288), (92, 2412774), (104, 2134377), (108, 2055326), (117, 1897224), (126, 1761708), (138, 1608516), (156, 1422918), (161, 1378728), (168, 1321281), (182, 1219644), (184, 1206387), (189, 1174472), (207, 1072344), (216, 1027663), (234, 948612), (252, 880854), (273, 813096), (276, 804258), (299, 742392), (312, 711459), (322, 689364), (351, 632408), (364, 609822), (378, 587236), (414, 536172), (468, 474306), (483, 459576), (491, 452088), (504, 440427), (546, 406548), (552, 402129), (598, 371196), (621, 357448), (644, 344682), (702, 316204), (728, 304911), (756, 293618), (819, 271032), (828, 268086), (897, 247464), (936, 237153), (966, 229788), (982, 226044), (1092, 203274), (1196, 185598), (1242, 178724), (1288, 172341), (1404, 158102), (1449, 153192), (1473, 150696), (1512, 146809), (1638, 135516), (1656, 134043), (1794, 123732), (1932, 114894), (1964, 113022), (2093, 106056), (2184, 101637), (2392, 92799), (2457, 90344), (2484, 89362), (2691, 82488), (2808, 79051), (2898, 76596), (2946, 75348), (3276, 67758), (3437, 64584), (3588, 61866), (3864, 57447), (3928, 56511), (4186, 53028), (4347, 51064), (4419, 50232), (4914, 45172), (4968, 44681), (5382, 41244), (5796, 38298), (5892, 37674), (6279, 35352), (6383, 34776), (6552, 33879), (6874, 32292), (7176, 30933), (8073, 27496), (8372, 26514), (8694, 25532), (8838, 25116), (9828, 22586), (10311, 21528), (10764, 20622), (11293, 19656), (11592, 19149), (11784, 18837), (12558, 17676), (12766, 17388), (13257, 16744), (13748, 16146)]