665668864

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21851}}^1$

素因数の和:21891

約数の個数: 72

約数和(自身を含む): 1607957568

約数和(自身を除く): 942288704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 896, 952, 1088, 1792, 1904, 2176, 3808, 4352, 7616, 15232, 21851, 30464, 43702, 87404, 152957, 174808, 305914, 349616, 371467, 611828, 699232, 742934, 1223656, 1398464, 1485868, 2447312, 2600269, 2796928, 2971736, 4894624, 5200538, 5593856, 5943472, 9789248, 10401076, 11886944, 19578496, 20802152, 23773888, 39156992, 41604304, 47547776, 83208608, 95095552, 166417216, 332834432, 665668864]

約数ペア:

[(1, 665668864), (2, 332834432), (4, 166417216), (7, 95095552), (8, 83208608), (14, 47547776), (16, 41604304), (17, 39156992), (28, 23773888), (32, 20802152), (34, 19578496), (56, 11886944), (64, 10401076), (68, 9789248), (112, 5943472), (119, 5593856), (128, 5200538), (136, 4894624), (224, 2971736), (238, 2796928), (256, 2600269), (272, 2447312), (448, 1485868), (476, 1398464), (544, 1223656), (896, 742934), (952, 699232), (1088, 611828), (1792, 371467), (1904, 349616), (2176, 305914), (3808, 174808), (4352, 152957), (7616, 87404), (15232, 43702), (21851, 30464)]