78956143

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 99100800

約数和(自身を除く): 20144657

約数列:

[1, 7, 17, 61, 73, 119, 149, 427, 511, 1037, 1043, 1241, 2533, 4453, 7259, 8687, 9089, 10877, 17731, 31171, 63623, 75701, 76139, 154513, 184909, 529907, 663497, 1081591, 1294363, 4644479, 11279449, 78956143]

約数ペア:

[(1, 78956143), (7, 11279449), (17, 4644479), (61, 1294363), (73, 1081591), (119, 663497), (149, 529907), (427, 184909), (511, 154513), (1037, 76139), (1043, 75701), (1241, 63623), (2533, 31171), (4453, 17731), (7259, 10877), (8687, 9089)]