81812864

素因数分解:

$2^7\times 7^1\times {\mathrm{91309}}^1$

素因数の和:91330

約数の個数: 32

約数和(自身を含む): 186272400

約数和(自身を除く): 104459536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 91309, 182618, 365236, 639163, 730472, 1278326, 1460944, 2556652, 2921888, 5113304, 5843776, 10226608, 11687552, 20453216, 40906432, 81812864]

約数ペア:

[(1, 81812864), (2, 40906432), (4, 20453216), (7, 11687552), (8, 10226608), (14, 5843776), (16, 5113304), (28, 2921888), (32, 2556652), (56, 1460944), (64, 1278326), (112, 730472), (128, 639163), (224, 365236), (448, 182618), (896, 91309)]