81905854

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{1399}}^1$

素因数の和:1875

約数の個数: 16

約数和(自身を含む): 124941600

約数和(自身を除く): 43035746

約数列:

[1, 2, 73, 146, 401, 802, 1399, 2798, 29273, 58546, 102127, 204254, 560999, 1121998, 40952927, 81905854]

約数ペア:

[(1, 81905854), (2, 40952927), (73, 1121998), (146, 560999), (401, 204254), (802, 102127), (1399, 58546), (2798, 29273)]