8990170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{128431}}^1$

素因数の和:128445

約数の個数: 16

約数和(自身を含む): 18494208

約数和(自身を除く): 9504038

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 128431, 256862, 642155, 899017, 1284310, 1798034, 4495085, 8990170]

約数ペア:

[(1, 8990170), (2, 4495085), (5, 1798034), (7, 1284310), (10, 899017), (14, 642155), (35, 256862), (70, 128431)]