138479995

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{7237}}^1$

素因数の和:7374

約数の個数: 16

約数和(自身を含む): 171974880

約数和(自身を除く): 33494885

約数列:

[1, 5, 43, 89, 215, 445, 3827, 7237, 19135, 36185, 311191, 644093, 1555955, 3220465, 27695999, 138479995]

約数ペア:

[(1, 138479995), (5, 27695999), (43, 3220465), (89, 1555955), (215, 644093), (445, 311191), (3827, 36185), (7237, 19135)]