257940254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4673}}^1$

素因数の和:4892

約数の個数: 32

約数和(自身を含む): 457005024

約数和(自身を除く): 199064770

約数列:

[1, 2, 11, 13, 22, 26, 143, 193, 286, 386, 2123, 2509, 4246, 4673, 5018, 9346, 27599, 51403, 55198, 60749, 102806, 121498, 668239, 901889, 1336478, 1803778, 9920779, 11724557, 19841558, 23449114, 128970127, 257940254]

約数ペア:

[(1, 257940254), (2, 128970127), (11, 23449114), (13, 19841558), (22, 11724557), (26, 9920779), (143, 1803778), (193, 1336478), (286, 901889), (386, 668239), (2123, 121498), (2509, 102806), (4246, 60749), (4673, 55198), (5018, 51403), (9346, 27599)]