261973404

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 216

約数和(自身を含む): 878387328

約数和(自身を除く): 616413924

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 28, 33, 36, 42, 44, 46, 49, 63, 66, 69, 77, 84, 92, 98, 99, 126, 132, 138, 147, 154, 161, 196, 198, 207, 231, 252, 253, 276, 294, 308, 322, 396, 414, 441, 462, 483, 506, 539, 587, 588, 644, 693, 759, 828, 882, 924, 966, 1012, 1078, 1127, 1174, 1386, 1449, 1518, 1617, 1761, 1764, 1771, 1932, 2156, 2254, 2277, 2348, 2772, 2898, 3036, 3234, 3381, 3522, 3542, 4109, 4508, 4554, 4851, 5283, 5313, 5796, 6457, 6468, 6762, 7044, 7084, 8218, 9108, 9702, 10143, 10566, 10626, 12327, 12397, 12914, 13501, 13524, 15939, 16436, 19371, 19404, 20286, 21132, 21252, 24654, 24794, 25828, 27002, 28763, 31878, 36981, 37191, 38742, 40503, 40572, 45199, 49308, 49588, 54004, 57526, 58113, 63756, 73962, 74382, 77484, 81006, 86289, 90398, 94507, 111573, 115052, 116226, 121509, 135597, 147924, 148511, 148764, 162012, 172578, 180796, 189014, 223146, 232452, 243018, 258867, 271194, 283521, 297022, 316393, 345156, 378028, 406791, 445533, 446292, 486036, 517734, 542388, 567042, 594044, 632786, 661549, 813582, 850563, 891066, 949179, 1035468, 1039577, 1134084, 1265572, 1323098, 1336599, 1627164, 1701126, 1782132, 1898358, 1984647, 2079154, 2646196, 2673198, 2847537, 3118731, 3402252, 3796716, 3969294, 4158308, 5346396, 5695074, 5953941, 6237462, 7277039, 7938588, 9356193, 11390148, 11907882, 12474924, 14554078, 18712386, 21831117, 23815764, 29108156, 37424772, 43662234, 65493351, 87324468, 130986702, 261973404]

約数ペア:

[(1, 261973404), (2, 130986702), (3, 87324468), (4, 65493351), (6, 43662234), (7, 37424772), (9, 29108156), (11, 23815764), (12, 21831117), (14, 18712386), (18, 14554078), (21, 12474924), (22, 11907882), (23, 11390148), (28, 9356193), (33, 7938588), (36, 7277039), (42, 6237462), (44, 5953941), (46, 5695074), (49, 5346396), (63, 4158308), (66, 3969294), (69, 3796716), (77, 3402252), (84, 3118731), (92, 2847537), (98, 2673198), (99, 2646196), (126, 2079154), (132, 1984647), (138, 1898358), (147, 1782132), (154, 1701126), (161, 1627164), (196, 1336599), (198, 1323098), (207, 1265572), (231, 1134084), (252, 1039577), (253, 1035468), (276, 949179), (294, 891066), (308, 850563), (322, 813582), (396, 661549), (414, 632786), (441, 594044), (462, 567042), (483, 542388), (506, 517734), (539, 486036), (587, 446292), (588, 445533), (644, 406791), (693, 378028), (759, 345156), (828, 316393), (882, 297022), (924, 283521), (966, 271194), (1012, 258867), (1078, 243018), (1127, 232452), (1174, 223146), (1386, 189014), (1449, 180796), (1518, 172578), (1617, 162012), (1761, 148764), (1764, 148511), (1771, 147924), (1932, 135597), (2156, 121509), (2254, 116226), (2277, 115052), (2348, 111573), (2772, 94507), (2898, 90398), (3036, 86289), (3234, 81006), (3381, 77484), (3522, 74382), (3542, 73962), (4109, 63756), (4508, 58113), (4554, 57526), (4851, 54004), (5283, 49588), (5313, 49308), (5796, 45199), (6457, 40572), (6468, 40503), (6762, 38742), (7044, 37191), (7084, 36981), (8218, 31878), (9108, 28763), (9702, 27002), (10143, 25828), (10566, 24794), (10626, 24654), (12327, 21252), (12397, 21132), (12914, 20286), (13501, 19404), (13524, 19371), (15939, 16436)]