217397544

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 256

約数和(自身を含む): 731136000

約数和(自身を除く): 513738456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 31, 38, 39, 42, 52, 56, 57, 62, 76, 78, 84, 91, 93, 104, 114, 124, 133, 152, 156, 168, 169, 182, 186, 217, 228, 247, 248, 266, 273, 312, 338, 364, 372, 399, 403, 434, 456, 494, 507, 532, 546, 589, 651, 676, 728, 741, 744, 798, 806, 868, 988, 1014, 1064, 1092, 1178, 1183, 1209, 1302, 1352, 1482, 1596, 1612, 1729, 1736, 1767, 1976, 2028, 2184, 2197, 2356, 2366, 2418, 2604, 2821, 2964, 3192, 3211, 3224, 3458, 3534, 3549, 4056, 4123, 4394, 4712, 4732, 4836, 5187, 5208, 5239, 5642, 5928, 6422, 6591, 6916, 7068, 7098, 7657, 8246, 8463, 8788, 9464, 9633, 9672, 10374, 10478, 11284, 12369, 12844, 13182, 13832, 14136, 14196, 15314, 15379, 15717, 16492, 16926, 17576, 19266, 20748, 20956, 22477, 22568, 22971, 24738, 25688, 26364, 28392, 30628, 30758, 31434, 32984, 33852, 36673, 38532, 41496, 41743, 41912, 44954, 45942, 46137, 49476, 52728, 53599, 61256, 61516, 62868, 67431, 67704, 68107, 73346, 77064, 83486, 89908, 91884, 92274, 98952, 99541, 107198, 110019, 123032, 125229, 125736, 134862, 136214, 146692, 160797, 166972, 179816, 183768, 184548, 199082, 204321, 214396, 220038, 250458, 269724, 272428, 292201, 293384, 298623, 321594, 333944, 369096, 398164, 408642, 428792, 440076, 476749, 500916, 539448, 544856, 584402, 597246, 643188, 696787, 796328, 817284, 876603, 880152, 953498, 1001832, 1168804, 1194492, 1286376, 1294033, 1393574, 1430247, 1634568, 1753206, 1906996, 2090361, 2337608, 2388984, 2588066, 2787148, 2860494, 3506412, 3813992, 3882099, 4180722, 5176132, 5574296, 5720988, 7012824, 7764198, 8361444, 9058231, 10352264, 11441976, 15528396, 16722888, 18116462, 27174693, 31056792, 36232924, 54349386, 72465848, 108698772, 217397544]

約数ペア:

[(1, 217397544), (2, 108698772), (3, 72465848), (4, 54349386), (6, 36232924), (7, 31056792), (8, 27174693), (12, 18116462), (13, 16722888), (14, 15528396), (19, 11441976), (21, 10352264), (24, 9058231), (26, 8361444), (28, 7764198), (31, 7012824), (38, 5720988), (39, 5574296), (42, 5176132), (52, 4180722), (56, 3882099), (57, 3813992), (62, 3506412), (76, 2860494), (78, 2787148), (84, 2588066), (91, 2388984), (93, 2337608), (104, 2090361), (114, 1906996), (124, 1753206), (133, 1634568), (152, 1430247), (156, 1393574), (168, 1294033), (169, 1286376), (182, 1194492), (186, 1168804), (217, 1001832), (228, 953498), (247, 880152), (248, 876603), (266, 817284), (273, 796328), (312, 696787), (338, 643188), (364, 597246), (372, 584402), (399, 544856), (403, 539448), (434, 500916), (456, 476749), (494, 440076), (507, 428792), (532, 408642), (546, 398164), (589, 369096), (651, 333944), (676, 321594), (728, 298623), (741, 293384), (744, 292201), (798, 272428), (806, 269724), (868, 250458), (988, 220038), (1014, 214396), (1064, 204321), (1092, 199082), (1178, 184548), (1183, 183768), (1209, 179816), (1302, 166972), (1352, 160797), (1482, 146692), (1596, 136214), (1612, 134862), (1729, 125736), (1736, 125229), (1767, 123032), (1976, 110019), (2028, 107198), (2184, 99541), (2197, 98952), (2356, 92274), (2366, 91884), (2418, 89908), (2604, 83486), (2821, 77064), (2964, 73346), (3192, 68107), (3211, 67704), (3224, 67431), (3458, 62868), (3534, 61516), (3549, 61256), (4056, 53599), (4123, 52728), (4394, 49476), (4712, 46137), (4732, 45942), (4836, 44954), (5187, 41912), (5208, 41743), (5239, 41496), (5642, 38532), (5928, 36673), (6422, 33852), (6591, 32984), (6916, 31434), (7068, 30758), (7098, 30628), (7657, 28392), (8246, 26364), (8463, 25688), (8788, 24738), (9464, 22971), (9633, 22568), (9672, 22477), (10374, 20956), (10478, 20748), (11284, 19266), (12369, 17576), (12844, 16926), (13182, 16492), (13832, 15717), (14136, 15379), (14196, 15314)]