81398464

素因数分解:

$2^6\times 7^1\times {\mathrm{181693}}^1$

素因数の和:181712

約数の個数: 28

約数和(自身を含む): 184601104

約数和(自身を除く): 103202640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 181693, 363386, 726772, 1271851, 1453544, 2543702, 2907088, 5087404, 5814176, 10174808, 11628352, 20349616, 40699232, 81398464]

約数ペア:

[(1, 81398464), (2, 40699232), (4, 20349616), (7, 11628352), (8, 10174808), (14, 5814176), (16, 5087404), (28, 2907088), (32, 2543702), (56, 1453544), (64, 1271851), (112, 726772), (224, 363386), (448, 181693)]