205951879

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 252850176

約数和(自身を除く): 46898297

約数列:

[1, 7, 31, 37, 113, 217, 227, 259, 791, 1147, 1589, 3503, 4181, 7037, 8029, 8399, 24521, 25651, 29267, 49259, 58793, 129611, 179557, 260369, 795181, 907277, 949087, 1822583, 5566267, 6643609, 29421697, 205951879]

約数ペア:

[(1, 205951879), (7, 29421697), (31, 6643609), (37, 5566267), (113, 1822583), (217, 949087), (227, 907277), (259, 795181), (791, 260369), (1147, 179557), (1589, 129611), (3503, 58793), (4181, 49259), (7037, 29267), (8029, 25651), (8399, 24521)]