91320775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 140865984

約数和(自身を除く): 49545209

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 137, 175, 293, 325, 455, 685, 959, 1465, 1781, 2051, 2275, 3425, 3809, 4795, 7325, 8905, 10255, 12467, 19045, 23975, 26663, 40141, 44525, 51275, 62335, 95225, 133315, 200705, 280987, 311675, 521833, 666575, 1003525, 1404935, 2609165, 3652831, 7024675, 13045825, 18264155, 91320775]

約数ペア:

[(1, 91320775), (5, 18264155), (7, 13045825), (13, 7024675), (25, 3652831), (35, 2609165), (65, 1404935), (91, 1003525), (137, 666575), (175, 521833), (293, 311675), (325, 280987), (455, 200705), (685, 133315), (959, 95225), (1465, 62335), (1781, 51275), (2051, 44525), (2275, 40141), (3425, 26663), (3809, 23975), (4795, 19045), (7325, 12467), (8905, 10255)]