17917795

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 7887005

約数列:

[1, 5, 7, 29, 35, 127, 139, 145, 203, 635, 695, 889, 973, 1015, 3683, 4031, 4445, 4865, 17653, 18415, 20155, 25781, 28217, 88265, 123571, 128905, 141085, 511937, 617855, 2559685, 3583559, 17917795]

約数ペア:

[(1, 17917795), (5, 3583559), (7, 2559685), (29, 617855), (35, 511937), (127, 141085), (139, 128905), (145, 123571), (203, 88265), (635, 28217), (695, 25781), (889, 20155), (973, 18415), (1015, 17653), (3683, 4865), (4031, 4445)]