201345781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 54121739

約数列:

[1, 7, 13, 53, 91, 109, 371, 383, 689, 763, 1417, 2681, 4823, 4979, 5777, 9919, 20299, 34853, 40439, 41747, 75101, 142093, 263887, 292229, 525707, 542711, 1847209, 2212591, 3798977, 15488137, 28763683, 201345781]

約数ペア:

[(1, 201345781), (7, 28763683), (13, 15488137), (53, 3798977), (91, 2212591), (109, 1847209), (371, 542711), (383, 525707), (689, 292229), (763, 263887), (1417, 142093), (2681, 75101), (4823, 41747), (4979, 40439), (5777, 34853), (9919, 20299)]