2920121281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3089}}^1\times {\mathrm{12277}}^1$

素因数の和:15384

約数の個数: 16

約数和(自身を含む): 3642145920

約数和(自身を除く): 722024639

約数列:

[1, 7, 11, 77, 3089, 12277, 21623, 33979, 85939, 135047, 237853, 945329, 37923653, 265465571, 417160183, 2920121281]

約数ペア:

[(1, 2920121281), (7, 417160183), (11, 265465571), (77, 37923653), (3089, 945329), (12277, 237853), (21623, 135047), (33979, 85939)]