640316159

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1\times {\mathrm{2671}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 764405760

約数和(自身を除く): 124089601

約数列:

[1, 7, 23, 161, 1489, 2671, 10423, 18697, 34247, 61433, 239729, 430031, 3977119, 27839833, 91473737, 640316159]

約数ペア:

[(1, 640316159), (7, 91473737), (23, 27839833), (161, 3977119), (1489, 430031), (2671, 239729), (10423, 61433), (18697, 34247)]