1331254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 16

約数和(自身を含む): 2144880

約数和(自身を除く): 813626

約数列:

[1, 2, 19, 38, 53, 106, 661, 1007, 1322, 2014, 12559, 25118, 35033, 70066, 665627, 1331254]

約数ペア:

[(1, 1331254), (2, 665627), (19, 70066), (38, 35033), (53, 25118), (106, 12559), (661, 2014), (1007, 1322)]