428128855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 660667392

約数和(自身を除く): 232538537

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 121, 215, 301, 385, 473, 605, 847, 1505, 2351, 2365, 3311, 4235, 5203, 11755, 16457, 16555, 25861, 26015, 36421, 82285, 101093, 129305, 181027, 182105, 284471, 505465, 707651, 905135, 1112023, 1422355, 1991297, 3538255, 5560115, 7784161, 9956485, 12232253, 38920805, 61161265, 85625771, 428128855]

約数ペア:

[(1, 428128855), (5, 85625771), (7, 61161265), (11, 38920805), (35, 12232253), (43, 9956485), (55, 7784161), (77, 5560115), (121, 3538255), (215, 1991297), (301, 1422355), (385, 1112023), (473, 905135), (605, 707651), (847, 505465), (1505, 284471), (2351, 182105), (2365, 181027), (3311, 129305), (4235, 101093), (5203, 82285), (11755, 36421), (16457, 26015), (16555, 25861)]