64426390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{920377}}^1$

素因数の和:920391

約数の個数: 16

約数和(自身を含む): 132534432

約数和(自身を除く): 68108042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 920377, 1840754, 4601885, 6442639, 9203770, 12885278, 32213195, 64426390]

約数ペア:

[(1, 64426390), (2, 32213195), (5, 12885278), (7, 9203770), (10, 6442639), (14, 4601885), (35, 1840754), (70, 920377)]