131369728

素因数分解:

$2^8\times 7^1\times {\mathrm{73309}}^1$

素因数の和:73332

約数の個数: 36

約数和(自身を含む): 299691280

約数和(自身を除く): 168321552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 73309, 146618, 293236, 513163, 586472, 1026326, 1172944, 2052652, 2345888, 4105304, 4691776, 8210608, 9383552, 16421216, 18767104, 32842432, 65684864, 131369728]

約数ペア:

[(1, 131369728), (2, 65684864), (4, 32842432), (7, 18767104), (8, 16421216), (14, 9383552), (16, 8210608), (28, 4691776), (32, 4105304), (56, 2345888), (64, 2052652), (112, 1172944), (128, 1026326), (224, 586472), (256, 513163), (448, 293236), (896, 146618), (1792, 73309)]