128256128

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:76

約数の個数: 216

約数和(自身を含む): 353767365

約数和(自身を除く): 225511237

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 56, 64, 77, 88, 91, 98, 104, 112, 121, 128, 143, 154, 169, 176, 182, 196, 208, 224, 242, 286, 308, 338, 352, 364, 392, 416, 448, 484, 539, 572, 616, 637, 676, 704, 728, 784, 832, 847, 896, 968, 1001, 1078, 1144, 1183, 1232, 1274, 1352, 1408, 1456, 1568, 1573, 1664, 1694, 1859, 1936, 2002, 2156, 2288, 2366, 2464, 2548, 2704, 2912, 3136, 3146, 3388, 3718, 3872, 4004, 4312, 4576, 4732, 4928, 5096, 5408, 5824, 5929, 6272, 6292, 6776, 7007, 7436, 7744, 8008, 8281, 8624, 9152, 9464, 9856, 10192, 10816, 11011, 11648, 11858, 12584, 13013, 13552, 14014, 14872, 15488, 16016, 16562, 17248, 18304, 18928, 20384, 20449, 21632, 22022, 23716, 25168, 26026, 27104, 28028, 29744, 32032, 33124, 34496, 37856, 40768, 40898, 44044, 47432, 50336, 52052, 54208, 56056, 59488, 64064, 66248, 68992, 75712, 77077, 81536, 81796, 88088, 91091, 94864, 100672, 104104, 108416, 112112, 118976, 128128, 132496, 143143, 151424, 154154, 163592, 176176, 182182, 189728, 201344, 208208, 224224, 237952, 264992, 286286, 308308, 327184, 352352, 364364, 379456, 416416, 448448, 529984, 572572, 616616, 654368, 704704, 728728, 758912, 832832, 896896, 1002001, 1059968, 1145144, 1233232, 1308736, 1409408, 1457456, 1665664, 2004002, 2290288, 2466464, 2617472, 2914912, 4008004, 4580576, 4932928, 5829824, 8016008, 9161152, 9865856, 11659648, 16032016, 18322304, 32064032, 64128064, 128256128]

約数ペア:

[(1, 128256128), (2, 64128064), (4, 32064032), (7, 18322304), (8, 16032016), (11, 11659648), (13, 9865856), (14, 9161152), (16, 8016008), (22, 5829824), (26, 4932928), (28, 4580576), (32, 4008004), (44, 2914912), (49, 2617472), (52, 2466464), (56, 2290288), (64, 2004002), (77, 1665664), (88, 1457456), (91, 1409408), (98, 1308736), (104, 1233232), (112, 1145144), (121, 1059968), (128, 1002001), (143, 896896), (154, 832832), (169, 758912), (176, 728728), (182, 704704), (196, 654368), (208, 616616), (224, 572572), (242, 529984), (286, 448448), (308, 416416), (338, 379456), (352, 364364), (364, 352352), (392, 327184), (416, 308308), (448, 286286), (484, 264992), (539, 237952), (572, 224224), (616, 208208), (637, 201344), (676, 189728), (704, 182182), (728, 176176), (784, 163592), (832, 154154), (847, 151424), (896, 143143), (968, 132496), (1001, 128128), (1078, 118976), (1144, 112112), (1183, 108416), (1232, 104104), (1274, 100672), (1352, 94864), (1408, 91091), (1456, 88088), (1568, 81796), (1573, 81536), (1664, 77077), (1694, 75712), (1859, 68992), (1936, 66248), (2002, 64064), (2156, 59488), (2288, 56056), (2366, 54208), (2464, 52052), (2548, 50336), (2704, 47432), (2912, 44044), (3136, 40898), (3146, 40768), (3388, 37856), (3718, 34496), (3872, 33124), (4004, 32032), (4312, 29744), (4576, 28028), (4732, 27104), (4928, 26026), (5096, 25168), (5408, 23716), (5824, 22022), (5929, 21632), (6272, 20449), (6292, 20384), (6776, 18928), (7007, 18304), (7436, 17248), (7744, 16562), (8008, 16016), (8281, 15488), (8624, 14872), (9152, 14014), (9464, 13552), (9856, 13013), (10192, 12584), (10816, 11858), (11011, 11648)]