81635930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{189851}}^1$

素因数の和:189901

約数の個数: 16

約数和(自身を含む): 150362784

約数和(自身を除く): 68726854

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 189851, 379702, 949255, 1898510, 8163593, 16327186, 40817965, 81635930]

約数ペア:

[(1, 81635930), (2, 40817965), (5, 16327186), (10, 8163593), (43, 1898510), (86, 949255), (215, 379702), (430, 189851)]