2590861

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 3241728

約数和(自身を除く): 650867

約数列:

[1, 7, 13, 71, 91, 401, 497, 923, 2807, 5213, 6461, 28471, 36491, 199297, 370123, 2590861]

約数ペア:

[(1, 2590861), (7, 370123), (13, 199297), (71, 36491), (91, 28471), (401, 6461), (497, 5213), (923, 2807)]