16561216

素因数分解:

$2^6\times 7^2\times {\mathrm{5281}}^1$

素因数の和:5307

約数の個数: 42

約数和(自身を含む): 38236398

約数和(自身を除く): 21675182

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 5281, 10562, 21124, 36967, 42248, 73934, 84496, 147868, 168992, 258769, 295736, 337984, 517538, 591472, 1035076, 1182944, 2070152, 2365888, 4140304, 8280608, 16561216]

約数ペア:

[(1, 16561216), (2, 8280608), (4, 4140304), (7, 2365888), (8, 2070152), (14, 1182944), (16, 1035076), (28, 591472), (32, 517538), (49, 337984), (56, 295736), (64, 258769), (98, 168992), (112, 147868), (196, 84496), (224, 73934), (392, 42248), (448, 36967), (784, 21124), (1568, 10562), (3136, 5281)]