628987716

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 216

約数和(自身を含む): 1986828480

約数和(自身を除く): 1357840764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 37, 42, 46, 49, 63, 69, 74, 84, 92, 98, 111, 126, 138, 147, 148, 161, 196, 207, 222, 252, 259, 276, 294, 322, 333, 414, 419, 441, 444, 483, 518, 588, 644, 666, 777, 828, 838, 851, 882, 966, 1036, 1127, 1257, 1332, 1449, 1554, 1676, 1702, 1764, 1813, 1932, 2254, 2331, 2514, 2553, 2898, 2933, 3108, 3381, 3404, 3626, 3771, 4508, 4662, 5028, 5106, 5439, 5796, 5866, 5957, 6762, 7252, 7542, 7659, 8799, 9324, 9637, 10143, 10212, 10878, 11732, 11914, 13524, 15084, 15318, 15503, 16317, 17598, 17871, 19274, 20286, 20531, 21756, 23828, 26397, 28911, 30636, 31006, 32634, 35196, 35742, 38548, 40572, 41062, 41699, 46509, 52794, 53613, 57822, 61593, 62012, 65268, 67459, 71484, 82124, 83398, 86733, 93018, 105588, 107226, 108521, 115644, 123186, 125097, 134918, 139527, 166796, 173466, 184779, 186036, 202377, 214452, 217042, 246372, 250194, 269836, 279054, 325563, 346932, 356569, 369558, 375291, 404754, 434084, 472213, 500388, 558108, 607131, 651126, 713138, 739116, 750582, 759647, 809508, 944426, 976689, 1069707, 1214262, 1302252, 1416639, 1426276, 1501164, 1519294, 1888852, 1953378, 2139414, 2278941, 2428524, 2495983, 2833278, 3038588, 3209121, 3906756, 4249917, 4278828, 4557882, 4991966, 5666556, 6418242, 6836823, 7487949, 8499834, 9115764, 9983932, 12836484, 13673646, 14975898, 16999668, 17471881, 22463847, 27347292, 29951796, 34943762, 44927694, 52415643, 69887524, 89855388, 104831286, 157246929, 209662572, 314493858, 628987716]

約数ペア:

[(1, 628987716), (2, 314493858), (3, 209662572), (4, 157246929), (6, 104831286), (7, 89855388), (9, 69887524), (12, 52415643), (14, 44927694), (18, 34943762), (21, 29951796), (23, 27347292), (28, 22463847), (36, 17471881), (37, 16999668), (42, 14975898), (46, 13673646), (49, 12836484), (63, 9983932), (69, 9115764), (74, 8499834), (84, 7487949), (92, 6836823), (98, 6418242), (111, 5666556), (126, 4991966), (138, 4557882), (147, 4278828), (148, 4249917), (161, 3906756), (196, 3209121), (207, 3038588), (222, 2833278), (252, 2495983), (259, 2428524), (276, 2278941), (294, 2139414), (322, 1953378), (333, 1888852), (414, 1519294), (419, 1501164), (441, 1426276), (444, 1416639), (483, 1302252), (518, 1214262), (588, 1069707), (644, 976689), (666, 944426), (777, 809508), (828, 759647), (838, 750582), (851, 739116), (882, 713138), (966, 651126), (1036, 607131), (1127, 558108), (1257, 500388), (1332, 472213), (1449, 434084), (1554, 404754), (1676, 375291), (1702, 369558), (1764, 356569), (1813, 346932), (1932, 325563), (2254, 279054), (2331, 269836), (2514, 250194), (2553, 246372), (2898, 217042), (2933, 214452), (3108, 202377), (3381, 186036), (3404, 184779), (3626, 173466), (3771, 166796), (4508, 139527), (4662, 134918), (5028, 125097), (5106, 123186), (5439, 115644), (5796, 108521), (5866, 107226), (5957, 105588), (6762, 93018), (7252, 86733), (7542, 83398), (7659, 82124), (8799, 71484), (9324, 67459), (9637, 65268), (10143, 62012), (10212, 61593), (10878, 57822), (11732, 53613), (11914, 52794), (13524, 46509), (15084, 41699), (15318, 41062), (15503, 40572), (16317, 38548), (17598, 35742), (17871, 35196), (19274, 32634), (20286, 31006), (20531, 30636), (21756, 28911), (23828, 26397)]