1331194894

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{439919}}^1$

素因数の和:440027

約数の個数: 16

約数和(自身を含む): 2138011200

約数和(自身を除く): 806816306

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 439919, 879838, 7478623, 14957246, 39152791, 78305582, 665597447, 1331194894]

約数ペア:

[(1, 1331194894), (2, 665597447), (17, 78305582), (34, 39152791), (89, 14957246), (178, 7478623), (1513, 879838), (3026, 439919)]