289324721

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{3347}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 338442624

約数和(自身を除く): 49117903

約数列:

[1, 7, 53, 233, 371, 1631, 3347, 12349, 23429, 86443, 177391, 779851, 1241737, 5458957, 41332103, 289324721]

約数ペア:

[(1, 289324721), (7, 41332103), (53, 5458957), (233, 1241737), (371, 779851), (1631, 177391), (3347, 86443), (12349, 23429)]