204512021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{17891}}^1$

素因数の和:17992

約数の個数: 16

約数和(自身を含む): 247339008

約数和(自身を除く): 42826987

約数列:

[1, 7, 23, 71, 161, 497, 1633, 11431, 17891, 125237, 411493, 1270261, 2880451, 8891827, 29216003, 204512021]

約数ペア:

[(1, 204512021), (7, 29216003), (23, 8891827), (71, 2880451), (161, 1270261), (497, 411493), (1633, 125237), (11431, 17891)]