81721414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{55897}}^1$

素因数の和:55959

約数の個数: 16

約数和(自身を含む): 132813648

約数和(自身を除く): 51092234

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 55897, 111794, 950249, 1900498, 2403571, 4807142, 40860707, 81721414]

約数ペア:

[(1, 81721414), (2, 40860707), (17, 4807142), (34, 2403571), (43, 1900498), (86, 950249), (731, 111794), (1462, 55897)]