209799746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 355622400

約数和(自身を除く): 145822654

約数列:

[1, 2, 13, 26, 29, 58, 71, 142, 377, 754, 923, 1846, 2059, 3919, 4118, 7838, 26767, 50947, 53534, 101894, 113651, 227302, 278249, 556498, 1477463, 2954926, 3617237, 7234474, 8069221, 16138442, 104899873, 209799746]

約数ペア:

[(1, 209799746), (2, 104899873), (13, 16138442), (26, 8069221), (29, 7234474), (58, 3617237), (71, 2954926), (142, 1477463), (377, 556498), (754, 278249), (923, 227302), (1846, 113651), (2059, 101894), (3919, 53534), (4118, 50947), (7838, 26767)]