1311382016

素因数分解:

$2^9\times 7^1\times {\mathrm{367}}^1\times {\mathrm{997}}^1$

素因数の和:1389

約数の個数: 80

約数和(自身を含む): 3005688576

約数和(自身を除く): 1694306560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 367, 448, 512, 734, 896, 997, 1468, 1792, 1994, 2569, 2936, 3584, 3988, 5138, 5872, 6979, 7976, 10276, 11744, 13958, 15952, 20552, 23488, 27916, 31904, 41104, 46976, 55832, 63808, 82208, 93952, 111664, 127616, 164416, 187904, 223328, 255232, 328832, 365899, 446656, 510464, 657664, 731798, 893312, 1315328, 1463596, 1786624, 2561293, 2927192, 3573248, 5122586, 5854384, 10245172, 11708768, 20490344, 23417536, 40980688, 46835072, 81961376, 93670144, 163922752, 187340288, 327845504, 655691008, 1311382016]

約数ペア:

[(1, 1311382016), (2, 655691008), (4, 327845504), (7, 187340288), (8, 163922752), (14, 93670144), (16, 81961376), (28, 46835072), (32, 40980688), (56, 23417536), (64, 20490344), (112, 11708768), (128, 10245172), (224, 5854384), (256, 5122586), (367, 3573248), (448, 2927192), (512, 2561293), (734, 1786624), (896, 1463596), (997, 1315328), (1468, 893312), (1792, 731798), (1994, 657664), (2569, 510464), (2936, 446656), (3584, 365899), (3988, 328832), (5138, 255232), (5872, 223328), (6979, 187904), (7976, 164416), (10276, 127616), (11744, 111664), (13958, 93952), (15952, 82208), (20552, 63808), (23488, 55832), (27916, 46976), (31904, 41104)]