26891019935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{24671}}^1$

素因数の和:25139

約数の個数: 32

約数和(自身を含む): 35687554560

約数和(自身を除く): 8796534625

約数列:

[1, 5, 13, 41, 65, 205, 409, 533, 2045, 2665, 5317, 16769, 24671, 26585, 83845, 123355, 217997, 320723, 1011511, 1089985, 1603615, 5057555, 10090439, 13149643, 50452195, 65748215, 131175707, 413707999, 655878535, 2068539995, 5378203987, 26891019935]

約数ペア:

[(1, 26891019935), (5, 5378203987), (13, 2068539995), (41, 655878535), (65, 413707999), (205, 131175707), (409, 65748215), (533, 50452195), (2045, 13149643), (2665, 10090439), (5317, 5057555), (16769, 1603615), (24671, 1089985), (26585, 1011511), (83845, 320723), (123355, 217997)]