257201784

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1327

約数の個数: 192

約数和(自身を含む): 875520000

約数和(自身を除く): 618318216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 49, 54, 56, 57, 63, 72, 76, 84, 98, 108, 114, 126, 133, 147, 152, 168, 171, 189, 196, 216, 228, 252, 266, 294, 342, 378, 392, 399, 441, 456, 504, 513, 532, 588, 684, 756, 798, 882, 931, 1026, 1064, 1176, 1197, 1279, 1323, 1368, 1512, 1596, 1764, 1862, 2052, 2394, 2558, 2646, 2793, 3192, 3528, 3591, 3724, 3837, 4104, 4788, 5116, 5292, 5586, 7182, 7448, 7674, 8379, 8953, 9576, 10232, 10584, 11172, 11511, 14364, 15348, 16758, 17906, 22344, 23022, 24301, 25137, 26859, 28728, 30696, 33516, 34533, 35812, 46044, 48602, 50274, 53718, 62671, 67032, 69066, 71624, 72903, 80577, 92088, 97204, 100548, 107436, 125342, 138132, 145806, 161154, 170107, 188013, 194408, 201096, 214872, 218709, 241731, 250684, 276264, 291612, 322308, 340214, 376026, 437418, 483462, 501368, 510321, 564039, 583224, 644616, 656127, 680428, 752052, 874836, 966924, 1020642, 1128078, 1190749, 1312254, 1360856, 1504104, 1530963, 1692117, 1749672, 1933848, 2041284, 2256156, 2381498, 2624508, 3061926, 3384234, 3572247, 4082568, 4512312, 4592889, 4762996, 5249016, 6123852, 6768468, 7144494, 9185778, 9525992, 10716741, 12247704, 13536936, 14288988, 18371556, 21433482, 28577976, 32150223, 36743112, 42866964, 64300446, 85733928, 128600892, 257201784]

約数ペア:

[(1, 257201784), (2, 128600892), (3, 85733928), (4, 64300446), (6, 42866964), (7, 36743112), (8, 32150223), (9, 28577976), (12, 21433482), (14, 18371556), (18, 14288988), (19, 13536936), (21, 12247704), (24, 10716741), (27, 9525992), (28, 9185778), (36, 7144494), (38, 6768468), (42, 6123852), (49, 5249016), (54, 4762996), (56, 4592889), (57, 4512312), (63, 4082568), (72, 3572247), (76, 3384234), (84, 3061926), (98, 2624508), (108, 2381498), (114, 2256156), (126, 2041284), (133, 1933848), (147, 1749672), (152, 1692117), (168, 1530963), (171, 1504104), (189, 1360856), (196, 1312254), (216, 1190749), (228, 1128078), (252, 1020642), (266, 966924), (294, 874836), (342, 752052), (378, 680428), (392, 656127), (399, 644616), (441, 583224), (456, 564039), (504, 510321), (513, 501368), (532, 483462), (588, 437418), (684, 376026), (756, 340214), (798, 322308), (882, 291612), (931, 276264), (1026, 250684), (1064, 241731), (1176, 218709), (1197, 214872), (1279, 201096), (1323, 194408), (1368, 188013), (1512, 170107), (1596, 161154), (1764, 145806), (1862, 138132), (2052, 125342), (2394, 107436), (2558, 100548), (2646, 97204), (2793, 92088), (3192, 80577), (3528, 72903), (3591, 71624), (3724, 69066), (3837, 67032), (4104, 62671), (4788, 53718), (5116, 50274), (5292, 48602), (5586, 46044), (7182, 35812), (7448, 34533), (7674, 33516), (8379, 30696), (8953, 28728), (9576, 26859), (10232, 25137), (10584, 24301), (11172, 23022), (11511, 22344), (14364, 17906), (15348, 16758)]