30731155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 19346285

約数列:

[1, 5, 7, 13, 17, 29, 35, 65, 85, 91, 119, 137, 145, 203, 221, 377, 455, 493, 595, 685, 959, 1015, 1105, 1547, 1781, 1885, 2329, 2465, 2639, 3451, 3973, 4795, 6409, 7735, 8905, 11645, 12467, 13195, 16303, 17255, 19865, 27811, 30277, 32045, 44863, 51649, 62335, 67541, 81515, 139055, 151385, 211939, 224315, 258245, 337705, 361543, 472787, 878033, 1059695, 1807715, 2363935, 4390165, 6146231, 30731155]

約数ペア:

[(1, 30731155), (5, 6146231), (7, 4390165), (13, 2363935), (17, 1807715), (29, 1059695), (35, 878033), (65, 472787), (85, 361543), (91, 337705), (119, 258245), (137, 224315), (145, 211939), (203, 151385), (221, 139055), (377, 81515), (455, 67541), (493, 62335), (595, 51649), (685, 44863), (959, 32045), (1015, 30277), (1105, 27811), (1547, 19865), (1781, 17255), (1885, 16303), (2329, 13195), (2465, 12467), (2639, 11645), (3451, 8905), (3973, 7735), (4795, 6409)]