71961721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 83418720

約数和(自身を除く): 11456999

約数列:

[1, 13, 19, 73, 169, 247, 307, 949, 1387, 3211, 3991, 5833, 12337, 18031, 22411, 51883, 75829, 234403, 291343, 425809, 985777, 3787459, 5535517, 71961721]

約数ペア:

[(1, 71961721), (13, 5535517), (19, 3787459), (73, 985777), (169, 425809), (247, 291343), (307, 234403), (949, 75829), (1387, 51883), (3211, 22411), (3991, 18031), (5833, 12337)]