2991443

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 3741696

約数和(自身を除く): 750253

約数列:

[1, 7, 13, 71, 91, 463, 497, 923, 3241, 6019, 6461, 32873, 42133, 230111, 427349, 2991443]

約数ペア:

[(1, 2991443), (7, 427349), (13, 230111), (71, 42133), (91, 32873), (463, 6461), (497, 6019), (923, 3241)]