81861035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{22397}}^1$

素因数の和:22462

約数の個数: 16

約数和(自身を含む): 106435296

約数和(自身を除く): 24574261

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 22397, 111985, 380749, 963071, 1903745, 4815355, 16372207, 81861035]

約数ペア:

[(1, 81861035), (5, 16372207), (17, 4815355), (43, 1903745), (85, 963071), (215, 380749), (731, 111985), (3655, 22397)]