1242667105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{339991}}^1$

素因数の和:340056

約数の個数: 16

約数和(自身を含む): 1615641984

約数和(自身を除く): 372974879

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 339991, 1699955, 5779847, 14619613, 28899235, 73098065, 248533421, 1242667105]

約数ペア:

[(1, 1242667105), (5, 248533421), (17, 73098065), (43, 28899235), (85, 14619613), (215, 5779847), (731, 1699955), (3655, 339991)]