505731985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6311}}^1$

素因数の和:6405

約数の個数: 32

約数和(自身を含む): 698056704

約数和(自身を除く): 192324719

約数列:

[1, 5, 11, 31, 47, 55, 155, 235, 341, 517, 1457, 1705, 2585, 6311, 7285, 16027, 31555, 69421, 80135, 195641, 296617, 347105, 978205, 1483085, 2152051, 3262787, 9195127, 10760255, 16313935, 45975635, 101146397, 505731985]

約数ペア:

[(1, 505731985), (5, 101146397), (11, 45975635), (31, 16313935), (47, 10760255), (55, 9195127), (155, 3262787), (235, 2152051), (341, 1483085), (517, 978205), (1457, 347105), (1705, 296617), (2585, 195641), (6311, 80135), (7285, 69421), (16027, 31555)]