639346576

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{330241}}^1$

素因数の和:330271

約数の個数: 30

約数和(自身を含む): 1361587766

約数和(自身を除く): 722241190

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 330241, 660482, 1320964, 2641928, 3632651, 5283856, 7265302, 14530604, 29061208, 39959161, 58122416, 79918322, 159836644, 319673288, 639346576]

約数ペア:

[(1, 639346576), (2, 319673288), (4, 159836644), (8, 79918322), (11, 58122416), (16, 39959161), (22, 29061208), (44, 14530604), (88, 7265302), (121, 5283856), (176, 3632651), (242, 2641928), (484, 1320964), (968, 660482), (1936, 330241)]