64390970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{919871}}^1$

素因数の和:919885

約数の個数: 16

約数和(自身を含む): 132461568

約数和(自身を除く): 68070598

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 919871, 1839742, 4599355, 6439097, 9198710, 12878194, 32195485, 64390970]

約数ペア:

[(1, 64390970), (2, 32195485), (5, 12878194), (7, 9198710), (10, 6439097), (14, 4599355), (35, 1839742), (70, 919871)]