81537904

素因数分解:

$2^4\times 7^1\times {\mathrm{728017}}^1$

素因数の和:728032

約数の個数: 20

約数和(自身を含む): 180548464

約数和(自身を除く): 99010560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 728017, 1456034, 2912068, 5096119, 5824136, 10192238, 11648272, 20384476, 40768952, 81537904]

約数ペア:

[(1, 81537904), (2, 40768952), (4, 20384476), (7, 11648272), (8, 10192238), (14, 5824136), (16, 5096119), (28, 2912068), (56, 1456034), (112, 728017)]