2013123905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1\times {\mathrm{1103}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 2668571136

約数和(自身を除く): 655447231

約数列:

[1, 5, 13, 43, 65, 215, 559, 653, 1103, 2795, 3265, 5515, 8489, 14339, 28079, 42445, 47429, 71695, 140395, 237145, 365027, 616577, 720259, 1825135, 3082885, 3601295, 9363367, 30971137, 46816835, 154855685, 402624781, 2013123905]

約数ペア:

[(1, 2013123905), (5, 402624781), (13, 154855685), (43, 46816835), (65, 30971137), (215, 9363367), (559, 3601295), (653, 3082885), (1103, 1825135), (2795, 720259), (3265, 616577), (5515, 365027), (8489, 237145), (14339, 140395), (28079, 71695), (42445, 47429)]