81240601585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1\times {\mathrm{52579}}^1$

素因数の和:54769

約数の個数: 32

約数和(自身を含む): 114587383680

約数和(自身を除く): 33346782095

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 2161, 10805, 23771, 28093, 52579, 118855, 140465, 262895, 309023, 578369, 683527, 1545115, 2891845, 3417635, 7518797, 37593985, 113623219, 568116095, 1249855409, 1477101847, 6249277045, 7385509235, 16248120317, 81240601585]

約数ペア:

[(1, 81240601585), (5, 16248120317), (11, 7385509235), (13, 6249277045), (55, 1477101847), (65, 1249855409), (143, 568116095), (715, 113623219), (2161, 37593985), (10805, 7518797), (23771, 3417635), (28093, 2891845), (52579, 1545115), (118855, 683527), (140465, 578369), (262895, 309023)]