1990457845

素因数分解:

$5^1\times {\mathrm{6311}}^1\times {\mathrm{63079}}^1$

素因数の和:69395

約数の個数: 8

約数和(自身を含む): 2388965760

約数和(自身を除く): 398507915

約数列:

[1, 5, 6311, 31555, 63079, 315395, 398091569, 1990457845]

約数ペア:

[(1, 1990457845), (5, 398091569), (6311, 315395), (31555, 63079)]