81385024

素因数分解:

$2^6\times 7^1\times {\mathrm{389}}^1\times {\mathrm{467}}^1$

素因数の和:875

約数の個数: 56

約数和(自身を含む): 185440320

約数和(自身を除く): 104055296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 389, 448, 467, 778, 934, 1556, 1868, 2723, 3112, 3269, 3736, 5446, 6224, 6538, 7472, 10892, 12448, 13076, 14944, 21784, 24896, 26152, 29888, 43568, 52304, 87136, 104608, 174272, 181663, 209216, 363326, 726652, 1271641, 1453304, 2543282, 2906608, 5086564, 5813216, 10173128, 11626432, 20346256, 40692512, 81385024]

約数ペア:

[(1, 81385024), (2, 40692512), (4, 20346256), (7, 11626432), (8, 10173128), (14, 5813216), (16, 5086564), (28, 2906608), (32, 2543282), (56, 1453304), (64, 1271641), (112, 726652), (224, 363326), (389, 209216), (448, 181663), (467, 174272), (778, 104608), (934, 87136), (1556, 52304), (1868, 43568), (2723, 29888), (3112, 26152), (3269, 24896), (3736, 21784), (5446, 14944), (6224, 13076), (6538, 12448), (7472, 10892)]