81338656

素因数分解:

$2^5\times 7^1\times {\mathrm{363119}}^1$

素因数の和:363136

約数の個数: 24

約数和(自身を含む): 183012480

約数和(自身を除く): 101673824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 363119, 726238, 1452476, 2541833, 2904952, 5083666, 5809904, 10167332, 11619808, 20334664, 40669328, 81338656]

約数ペア:

[(1, 81338656), (2, 40669328), (4, 20334664), (7, 11619808), (8, 10167332), (14, 5809904), (16, 5083666), (28, 2904952), (32, 2541833), (56, 1452476), (112, 726238), (224, 363119)]