261866176

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 168

約数和(自身を含む): 642567168

約数和(自身を除く): 380700992

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 71, 88, 104, 124, 142, 143, 169, 176, 208, 248, 284, 286, 338, 341, 352, 403, 416, 496, 568, 572, 676, 682, 704, 781, 806, 832, 923, 992, 1136, 1144, 1352, 1364, 1562, 1612, 1846, 1859, 1984, 2201, 2272, 2288, 2704, 2728, 3124, 3224, 3692, 3718, 4402, 4433, 4544, 4576, 5239, 5408, 5456, 6248, 6448, 7384, 7436, 8804, 8866, 9152, 10153, 10478, 10816, 10912, 11999, 12496, 12896, 14768, 14872, 17608, 17732, 20306, 20956, 21824, 23998, 24211, 24992, 25792, 28613, 29536, 29744, 35216, 35464, 40612, 41912, 47996, 48422, 49984, 57226, 57629, 59072, 59488, 70432, 70928, 81224, 83824, 95992, 96844, 114452, 115258, 118976, 131989, 140864, 141856, 162448, 167648, 191984, 193688, 228904, 230516, 263978, 283712, 314743, 324896, 335296, 371969, 383968, 387376, 457808, 461032, 527956, 629486, 649792, 743938, 767936, 774752, 915616, 922064, 1055912, 1258972, 1487876, 1549504, 1831232, 1844128, 2111824, 2517944, 2975752, 3688256, 4091659, 4223648, 5035888, 5951504, 8183318, 8447296, 10071776, 11903008, 16366636, 20143552, 23806016, 32733272, 65466544, 130933088, 261866176]

約数ペア:

[(1, 261866176), (2, 130933088), (4, 65466544), (8, 32733272), (11, 23806016), (13, 20143552), (16, 16366636), (22, 11903008), (26, 10071776), (31, 8447296), (32, 8183318), (44, 5951504), (52, 5035888), (62, 4223648), (64, 4091659), (71, 3688256), (88, 2975752), (104, 2517944), (124, 2111824), (142, 1844128), (143, 1831232), (169, 1549504), (176, 1487876), (208, 1258972), (248, 1055912), (284, 922064), (286, 915616), (338, 774752), (341, 767936), (352, 743938), (403, 649792), (416, 629486), (496, 527956), (568, 461032), (572, 457808), (676, 387376), (682, 383968), (704, 371969), (781, 335296), (806, 324896), (832, 314743), (923, 283712), (992, 263978), (1136, 230516), (1144, 228904), (1352, 193688), (1364, 191984), (1562, 167648), (1612, 162448), (1846, 141856), (1859, 140864), (1984, 131989), (2201, 118976), (2272, 115258), (2288, 114452), (2704, 96844), (2728, 95992), (3124, 83824), (3224, 81224), (3692, 70928), (3718, 70432), (4402, 59488), (4433, 59072), (4544, 57629), (4576, 57226), (5239, 49984), (5408, 48422), (5456, 47996), (6248, 41912), (6448, 40612), (7384, 35464), (7436, 35216), (8804, 29744), (8866, 29536), (9152, 28613), (10153, 25792), (10478, 24992), (10816, 24211), (10912, 23998), (11999, 21824), (12496, 20956), (12896, 20306), (14768, 17732), (14872, 17608)]