16975265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 23742720

約数和(自身を除く): 6767455

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 457, 1615, 1955, 2185, 2285, 7429, 7769, 8683, 10511, 37145, 38845, 43415, 52555, 147611, 178687, 199709, 738055, 893435, 998545, 3395053, 16975265]

約数ペア:

[(1, 16975265), (5, 3395053), (17, 998545), (19, 893435), (23, 738055), (85, 199709), (95, 178687), (115, 147611), (323, 52555), (391, 43415), (437, 38845), (457, 37145), (1615, 10511), (1955, 8683), (2185, 7769), (2285, 7429)]