81589270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1193}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 168153408

約数和(自身を除く): 86564138

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 977, 1193, 1954, 2386, 4885, 5965, 6839, 8351, 9770, 11930, 13678, 16702, 34195, 41755, 68390, 83510, 1165561, 2331122, 5827805, 8158927, 11655610, 16317854, 40794635, 81589270]

約数ペア:

[(1, 81589270), (2, 40794635), (5, 16317854), (7, 11655610), (10, 8158927), (14, 5827805), (35, 2331122), (70, 1165561), (977, 83510), (1193, 68390), (1954, 41755), (2386, 34195), (4885, 16702), (5965, 13678), (6839, 11930), (8351, 9770)]