78268255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 107944704

約数和(自身を除く): 29676449

約数列:

[1, 5, 13, 17, 65, 85, 193, 221, 367, 965, 1105, 1835, 2509, 3281, 4771, 6239, 12545, 16405, 23855, 31195, 42653, 70831, 81107, 213265, 354155, 405535, 920803, 1204127, 4604015, 6020635, 15653651, 78268255]

約数ペア:

[(1, 78268255), (5, 15653651), (13, 6020635), (17, 4604015), (65, 1204127), (85, 920803), (193, 405535), (221, 354155), (367, 213265), (965, 81107), (1105, 70831), (1835, 42653), (2509, 31195), (3281, 23855), (4771, 16405), (6239, 12545)]