201991376502

素因数分解:

$2^1\times 3^2\times {\mathrm{11221743139}}^1$

素因数の和:11221743147

約数の個数: 12

約数和(自身を含む): 437647982460

約数和(自身を除く): 235656605958

約数列:

[1, 2, 3, 6, 9, 18, 11221743139, 22443486278, 33665229417, 67330458834, 100995688251, 201991376502]

約数ペア:

[(1, 201991376502), (2, 100995688251), (3, 67330458834), (6, 33665229417), (9, 22443486278), (18, 11221743139)]