28507752

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 100464000

約数和(自身を除く): 71956248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 52, 56, 57, 63, 72, 76, 78, 84, 91, 104, 114, 117, 126, 133, 152, 156, 168, 171, 182, 228, 229, 234, 247, 252, 266, 273, 312, 342, 364, 399, 456, 458, 468, 494, 504, 532, 546, 684, 687, 728, 741, 798, 819, 916, 936, 988, 1064, 1092, 1197, 1368, 1374, 1482, 1596, 1603, 1638, 1729, 1832, 1976, 2061, 2184, 2223, 2394, 2748, 2964, 2977, 3192, 3206, 3276, 3458, 4122, 4351, 4446, 4788, 4809, 5187, 5496, 5928, 5954, 6412, 6552, 6916, 8244, 8702, 8892, 8931, 9576, 9618, 10374, 11908, 12824, 13053, 13832, 14427, 15561, 16488, 17404, 17784, 17862, 19236, 20748, 20839, 23816, 26106, 26793, 28854, 30457, 31122, 34808, 35724, 38472, 39159, 41496, 41678, 52212, 53586, 56563, 57708, 60914, 62244, 62517, 71448, 78318, 83356, 91371, 104424, 107172, 113126, 115416, 121828, 124488, 125034, 156636, 166712, 169689, 182742, 187551, 214344, 226252, 243656, 250068, 274113, 313272, 339378, 365484, 375102, 395941, 452504, 500136, 509067, 548226, 678756, 730968, 750204, 791882, 1018134, 1096452, 1187823, 1357512, 1500408, 1583764, 2036268, 2192904, 2375646, 3167528, 3563469, 4072536, 4751292, 7126938, 9502584, 14253876, 28507752]

約数ペア:

[(1, 28507752), (2, 14253876), (3, 9502584), (4, 7126938), (6, 4751292), (7, 4072536), (8, 3563469), (9, 3167528), (12, 2375646), (13, 2192904), (14, 2036268), (18, 1583764), (19, 1500408), (21, 1357512), (24, 1187823), (26, 1096452), (28, 1018134), (36, 791882), (38, 750204), (39, 730968), (42, 678756), (52, 548226), (56, 509067), (57, 500136), (63, 452504), (72, 395941), (76, 375102), (78, 365484), (84, 339378), (91, 313272), (104, 274113), (114, 250068), (117, 243656), (126, 226252), (133, 214344), (152, 187551), (156, 182742), (168, 169689), (171, 166712), (182, 156636), (228, 125034), (229, 124488), (234, 121828), (247, 115416), (252, 113126), (266, 107172), (273, 104424), (312, 91371), (342, 83356), (364, 78318), (399, 71448), (456, 62517), (458, 62244), (468, 60914), (494, 57708), (504, 56563), (532, 53586), (546, 52212), (684, 41678), (687, 41496), (728, 39159), (741, 38472), (798, 35724), (819, 34808), (916, 31122), (936, 30457), (988, 28854), (1064, 26793), (1092, 26106), (1197, 23816), (1368, 20839), (1374, 20748), (1482, 19236), (1596, 17862), (1603, 17784), (1638, 17404), (1729, 16488), (1832, 15561), (1976, 14427), (2061, 13832), (2184, 13053), (2223, 12824), (2394, 11908), (2748, 10374), (2964, 9618), (2977, 9576), (3192, 8931), (3206, 8892), (3276, 8702), (3458, 8244), (4122, 6916), (4351, 6552), (4446, 6412), (4788, 5954), (4809, 5928), (5187, 5496)]