289182208

素因数分解:

$2^9\times 7^1\times {\mathrm{80687}}^1$

素因数の和:80712

約数の個数: 40

約数和(自身を含む): 660350592

約数和(自身を除く): 371168384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 80687, 161374, 322748, 564809, 645496, 1129618, 1290992, 2259236, 2581984, 4518472, 5163968, 9036944, 10327936, 18073888, 20655872, 36147776, 41311744, 72295552, 144591104, 289182208]

約数ペア:

[(1, 289182208), (2, 144591104), (4, 72295552), (7, 41311744), (8, 36147776), (14, 20655872), (16, 18073888), (28, 10327936), (32, 9036944), (56, 5163968), (64, 4518472), (112, 2581984), (128, 2259236), (224, 1290992), (256, 1129618), (448, 645496), (512, 564809), (896, 322748), (1792, 161374), (3584, 80687)]