312513955

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{5209}}^1$

素因数の和:5311

約数の個数: 24

約数和(自身を含む): 411881760

約数和(自身を除く): 99367805

約数列:

[1, 5, 13, 65, 71, 169, 355, 845, 923, 4615, 5209, 11999, 26045, 59995, 67717, 338585, 369839, 880321, 1849195, 4401605, 4807907, 24039535, 62502791, 312513955]

約数ペア:

[(1, 312513955), (5, 62502791), (13, 24039535), (65, 4807907), (71, 4401605), (169, 1849195), (355, 880321), (845, 369839), (923, 338585), (4615, 67717), (5209, 59995), (11999, 26045)]