1286306

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 16

約数和(自身を含む): 2224320

約数和(自身を除く): 938014

約数列:

[1, 2, 7, 14, 139, 278, 661, 973, 1322, 1946, 4627, 9254, 91879, 183758, 643153, 1286306]

約数ペア:

[(1, 1286306), (2, 643153), (7, 183758), (14, 91879), (139, 9254), (278, 4627), (661, 1946), (973, 1322)]