2640512

素因数分解:

$2^7\times 7^2\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 6133770

約数和(自身を除く): 3493258

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 421, 448, 784, 842, 896, 1568, 1684, 2947, 3136, 3368, 5894, 6272, 6736, 11788, 13472, 20629, 23576, 26944, 41258, 47152, 53888, 82516, 94304, 165032, 188608, 330064, 377216, 660128, 1320256, 2640512]

約数ペア:

[(1, 2640512), (2, 1320256), (4, 660128), (7, 377216), (8, 330064), (14, 188608), (16, 165032), (28, 94304), (32, 82516), (49, 53888), (56, 47152), (64, 41258), (98, 26944), (112, 23576), (128, 20629), (196, 13472), (224, 11788), (392, 6736), (421, 6272), (448, 5894), (784, 3368), (842, 3136), (896, 2947), (1568, 1684)]