161082019

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 201185280

約数和(自身を除く): 40103261

約数列:

[1, 7, 19, 47, 73, 133, 329, 353, 511, 893, 1387, 2471, 3431, 6251, 6707, 9709, 16591, 24017, 25769, 46949, 65189, 116137, 180383, 315229, 456323, 489611, 1211143, 2206603, 3427277, 8478001, 23011717, 161082019]

約数ペア:

[(1, 161082019), (7, 23011717), (19, 8478001), (47, 3427277), (73, 2206603), (133, 1211143), (329, 489611), (353, 456323), (511, 315229), (893, 180383), (1387, 116137), (2471, 65189), (3431, 46949), (6251, 25769), (6707, 24017), (9709, 16591)]