258307205

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 354170880

約数和(自身を除く): 95863675

約数列:

[1, 5, 13, 29, 65, 83, 127, 145, 169, 377, 415, 635, 845, 1079, 1651, 1885, 2407, 3683, 4901, 5395, 8255, 10541, 12035, 14027, 18415, 21463, 24505, 31291, 47879, 52705, 70135, 107315, 137033, 156455, 239395, 305689, 406783, 622427, 685165, 1528445, 1781429, 2033915, 3112135, 3973957, 8907145, 19869785, 51661441, 258307205]

約数ペア:

[(1, 258307205), (5, 51661441), (13, 19869785), (29, 8907145), (65, 3973957), (83, 3112135), (127, 2033915), (145, 1781429), (169, 1528445), (377, 685165), (415, 622427), (635, 406783), (845, 305689), (1079, 239395), (1651, 156455), (1885, 137033), (2407, 107315), (3683, 70135), (4901, 52705), (5395, 47879), (8255, 31291), (10541, 24505), (12035, 21463), (14027, 18415)]