2978017

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 3628800

約数和(自身を除く): 650783

約数列:

[1, 7, 23, 53, 161, 349, 371, 1219, 2443, 8027, 8533, 18497, 56189, 129479, 425431, 2978017]

約数ペア:

[(1, 2978017), (7, 425431), (23, 129479), (53, 56189), (161, 18497), (349, 8533), (371, 8027), (1219, 2443)]