1639852081

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{548629}}^1$

素因数の和:548704

約数の個数: 12

約数和(自身を含む): 1938858420

約数和(自身を除く): 299006339

約数列:

[1, 7, 49, 61, 427, 2989, 548629, 3840403, 26882821, 33466369, 234264583, 1639852081]

約数ペア:

[(1, 1639852081), (7, 234264583), (49, 33466369), (61, 26882821), (427, 3840403), (2989, 548629)]