821968

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 1874880

約数和(自身を除く): 1052912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 179, 287, 328, 358, 574, 656, 716, 1148, 1253, 1432, 2296, 2506, 2864, 4592, 5012, 7339, 10024, 14678, 20048, 29356, 51373, 58712, 102746, 117424, 205492, 410984, 821968]

約数ペア:

[(1, 821968), (2, 410984), (4, 205492), (7, 117424), (8, 102746), (14, 58712), (16, 51373), (28, 29356), (41, 20048), (56, 14678), (82, 10024), (112, 7339), (164, 5012), (179, 4592), (287, 2864), (328, 2506), (358, 2296), (574, 1432), (656, 1253), (716, 1148)]