257205546

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 693463680

約数和(自身を除く): 436258134

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 34, 38, 39, 41, 51, 57, 78, 82, 83, 102, 114, 117, 123, 153, 166, 171, 221, 234, 246, 247, 249, 306, 323, 342, 369, 442, 494, 498, 533, 646, 663, 697, 738, 741, 747, 779, 969, 1066, 1079, 1326, 1394, 1411, 1482, 1494, 1558, 1577, 1599, 1938, 1989, 2091, 2158, 2223, 2337, 2822, 2907, 3154, 3198, 3237, 3403, 3978, 4182, 4199, 4233, 4446, 4674, 4731, 4797, 5814, 6273, 6474, 6806, 7011, 8398, 8466, 9061, 9462, 9594, 9711, 10127, 10209, 12546, 12597, 12699, 13243, 14022, 14193, 18122, 18343, 19422, 20254, 20418, 20501, 25194, 25398, 26486, 26809, 27183, 28386, 30381, 30627, 36686, 37791, 39729, 41002, 44239, 53618, 54366, 55029, 57851, 60762, 61254, 61503, 64657, 75582, 79458, 80427, 81549, 88478, 91143, 110058, 115702, 119187, 123006, 129314, 132717, 160854, 163098, 165087, 172159, 173553, 182286, 184509, 193971, 238374, 241281, 265434, 330174, 344318, 347106, 348517, 369018, 387942, 398151, 482562, 516477, 520659, 581913, 697034, 752063, 796302, 840541, 1032954, 1041318, 1045551, 1099169, 1163826, 1504126, 1549431, 1681082, 2091102, 2198338, 2256189, 2521623, 3098862, 3136653, 3297507, 4512378, 5043246, 6273306, 6595014, 6768567, 7564869, 9892521, 13537134, 14289197, 15129738, 19785042, 28578394, 42867591, 85735182, 128602773, 257205546]

約数ペア:

[(1, 257205546), (2, 128602773), (3, 85735182), (6, 42867591), (9, 28578394), (13, 19785042), (17, 15129738), (18, 14289197), (19, 13537134), (26, 9892521), (34, 7564869), (38, 6768567), (39, 6595014), (41, 6273306), (51, 5043246), (57, 4512378), (78, 3297507), (82, 3136653), (83, 3098862), (102, 2521623), (114, 2256189), (117, 2198338), (123, 2091102), (153, 1681082), (166, 1549431), (171, 1504126), (221, 1163826), (234, 1099169), (246, 1045551), (247, 1041318), (249, 1032954), (306, 840541), (323, 796302), (342, 752063), (369, 697034), (442, 581913), (494, 520659), (498, 516477), (533, 482562), (646, 398151), (663, 387942), (697, 369018), (738, 348517), (741, 347106), (747, 344318), (779, 330174), (969, 265434), (1066, 241281), (1079, 238374), (1326, 193971), (1394, 184509), (1411, 182286), (1482, 173553), (1494, 172159), (1558, 165087), (1577, 163098), (1599, 160854), (1938, 132717), (1989, 129314), (2091, 123006), (2158, 119187), (2223, 115702), (2337, 110058), (2822, 91143), (2907, 88478), (3154, 81549), (3198, 80427), (3237, 79458), (3403, 75582), (3978, 64657), (4182, 61503), (4199, 61254), (4233, 60762), (4446, 57851), (4674, 55029), (4731, 54366), (4797, 53618), (5814, 44239), (6273, 41002), (6474, 39729), (6806, 37791), (7011, 36686), (8398, 30627), (8466, 30381), (9061, 28386), (9462, 27183), (9594, 26809), (9711, 26486), (10127, 25398), (10209, 25194), (12546, 20501), (12597, 20418), (12699, 20254), (13243, 19422), (14022, 18343), (14193, 18122)]