81396154

素因数分解:

$2^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{4801}}^1$

素因数の和:4990

約数の個数: 24

約数和(自身を含む): 142878708

約数和(自身を除く): 61482554

約数列:

[1, 2, 7, 14, 49, 98, 173, 346, 1211, 2422, 4801, 8477, 9602, 16954, 33607, 67214, 235249, 470498, 830573, 1661146, 5814011, 11628022, 40698077, 81396154]

約数ペア:

[(1, 81396154), (2, 40698077), (7, 11628022), (14, 5814011), (49, 1661146), (98, 830573), (173, 470498), (346, 235249), (1211, 67214), (2422, 33607), (4801, 16954), (8477, 9602)]