221538408

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:416

約数の個数: 192

約数和(自身を含む): 712071360

約数和(自身を除く): 490532952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 43, 49, 52, 56, 78, 84, 86, 91, 98, 104, 129, 147, 156, 168, 172, 182, 196, 258, 273, 294, 301, 312, 337, 344, 364, 392, 516, 546, 559, 588, 602, 637, 674, 728, 903, 1011, 1032, 1092, 1118, 1176, 1204, 1274, 1348, 1677, 1806, 1911, 2022, 2107, 2184, 2236, 2359, 2408, 2548, 2696, 3354, 3612, 3822, 3913, 4044, 4214, 4381, 4472, 4718, 5096, 6321, 6708, 7077, 7224, 7644, 7826, 8088, 8428, 8762, 9436, 11739, 12642, 13143, 13416, 14154, 14491, 15288, 15652, 16513, 16856, 17524, 18872, 23478, 25284, 26286, 27391, 28308, 28982, 30667, 31304, 33026, 35048, 43473, 46956, 49539, 50568, 52572, 54782, 56616, 57964, 61334, 66052, 82173, 86946, 92001, 93912, 99078, 101437, 105144, 109564, 115928, 122668, 132104, 164346, 173892, 184002, 188383, 198156, 202874, 214669, 219128, 245336, 304311, 328692, 347784, 368004, 376766, 396312, 405748, 429338, 565149, 608622, 644007, 657384, 710059, 736008, 753532, 811496, 858676, 1130298, 1217244, 1288014, 1318681, 1420118, 1507064, 1717352, 2130177, 2260596, 2434488, 2576028, 2637362, 2840236, 3956043, 4260354, 4521192, 5152056, 5274724, 5680472, 7912086, 8520708, 9230767, 10549448, 15824172, 17041416, 18461534, 27692301, 31648344, 36923068, 55384602, 73846136, 110769204, 221538408]

約数ペア:

[(1, 221538408), (2, 110769204), (3, 73846136), (4, 55384602), (6, 36923068), (7, 31648344), (8, 27692301), (12, 18461534), (13, 17041416), (14, 15824172), (21, 10549448), (24, 9230767), (26, 8520708), (28, 7912086), (39, 5680472), (42, 5274724), (43, 5152056), (49, 4521192), (52, 4260354), (56, 3956043), (78, 2840236), (84, 2637362), (86, 2576028), (91, 2434488), (98, 2260596), (104, 2130177), (129, 1717352), (147, 1507064), (156, 1420118), (168, 1318681), (172, 1288014), (182, 1217244), (196, 1130298), (258, 858676), (273, 811496), (294, 753532), (301, 736008), (312, 710059), (337, 657384), (344, 644007), (364, 608622), (392, 565149), (516, 429338), (546, 405748), (559, 396312), (588, 376766), (602, 368004), (637, 347784), (674, 328692), (728, 304311), (903, 245336), (1011, 219128), (1032, 214669), (1092, 202874), (1118, 198156), (1176, 188383), (1204, 184002), (1274, 173892), (1348, 164346), (1677, 132104), (1806, 122668), (1911, 115928), (2022, 109564), (2107, 105144), (2184, 101437), (2236, 99078), (2359, 93912), (2408, 92001), (2548, 86946), (2696, 82173), (3354, 66052), (3612, 61334), (3822, 57964), (3913, 56616), (4044, 54782), (4214, 52572), (4381, 50568), (4472, 49539), (4718, 46956), (5096, 43473), (6321, 35048), (6708, 33026), (7077, 31304), (7224, 30667), (7644, 28982), (7826, 28308), (8088, 27391), (8428, 26286), (8762, 25284), (9436, 23478), (11739, 18872), (12642, 17524), (13143, 16856), (13416, 16513), (14154, 15652), (14491, 15288)]