61919195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 85001280

約数和(自身を除く): 23082085

約数列:

[1, 5, 13, 19, 65, 95, 181, 247, 277, 905, 1235, 1385, 2353, 3439, 3601, 5263, 11765, 17195, 18005, 26315, 44707, 50137, 68419, 223535, 250685, 342095, 651781, 952603, 3258905, 4763015, 12383839, 61919195]

約数ペア:

[(1, 61919195), (5, 12383839), (13, 4763015), (19, 3258905), (65, 952603), (95, 651781), (181, 342095), (247, 250685), (277, 223535), (905, 68419), (1235, 50137), (1385, 44707), (2353, 26315), (3439, 18005), (3601, 17195), (5263, 11765)]