128312576

素因数分解:

$2^8\times 7^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 108

約数和(自身を含む): 305134452

約数和(自身を除く): 176821876

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 128, 193, 196, 212, 224, 256, 371, 386, 392, 424, 448, 742, 772, 784, 848, 896, 1351, 1484, 1544, 1568, 1696, 1792, 2597, 2702, 2968, 3088, 3136, 3392, 5194, 5404, 5936, 6176, 6272, 6784, 9457, 10229, 10388, 10808, 11872, 12352, 12544, 13568, 18914, 20458, 20776, 21616, 23744, 24704, 37828, 40916, 41552, 43232, 47488, 49408, 71603, 75656, 81832, 83104, 86464, 94976, 143206, 151312, 163664, 166208, 172928, 286412, 302624, 327328, 332416, 345856, 501221, 572824, 605248, 654656, 664832, 1002442, 1145648, 1210496, 1309312, 2004884, 2291296, 2420992, 2618624, 4009768, 4582592, 8019536, 9165184, 16039072, 18330368, 32078144, 64156288, 128312576]

約数ペア:

[(1, 128312576), (2, 64156288), (4, 32078144), (7, 18330368), (8, 16039072), (14, 9165184), (16, 8019536), (28, 4582592), (32, 4009768), (49, 2618624), (53, 2420992), (56, 2291296), (64, 2004884), (98, 1309312), (106, 1210496), (112, 1145648), (128, 1002442), (193, 664832), (196, 654656), (212, 605248), (224, 572824), (256, 501221), (371, 345856), (386, 332416), (392, 327328), (424, 302624), (448, 286412), (742, 172928), (772, 166208), (784, 163664), (848, 151312), (896, 143206), (1351, 94976), (1484, 86464), (1544, 83104), (1568, 81832), (1696, 75656), (1792, 71603), (2597, 49408), (2702, 47488), (2968, 43232), (3088, 41552), (3136, 40916), (3392, 37828), (5194, 24704), (5404, 23744), (5936, 21616), (6176, 20776), (6272, 20458), (6784, 18914), (9457, 13568), (10229, 12544), (10388, 12352), (10808, 11872)]