138217870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1974541}}^1$

素因数の和:1974555

約数の個数: 16

約数和(自身を含む): 284334048

約数和(自身を除く): 146116178

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1974541, 3949082, 9872705, 13821787, 19745410, 27643574, 69108935, 138217870]

約数ペア:

[(1, 138217870), (2, 69108935), (5, 27643574), (7, 19745410), (10, 13821787), (14, 9872705), (35, 3949082), (70, 1974541)]