665433387515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1\times {\mathrm{201449}}^1$

素因数の和:202127

約数の個数: 32

約数和(自身を含む): 871134264000

約数和(自身を除く): 205700876485

約数列:

[1, 5, 13, 65, 89, 445, 571, 1157, 2855, 5785, 7423, 37115, 50819, 201449, 254095, 660647, 1007245, 2618837, 3303235, 13094185, 17928961, 89644805, 115027379, 233076493, 575136895, 1165382465, 1495355927, 7476779635, 10237436731, 51187183655, 133086677503, 665433387515]

約数ペア:

[(1, 665433387515), (5, 133086677503), (13, 51187183655), (65, 10237436731), (89, 7476779635), (445, 1495355927), (571, 1165382465), (1157, 575136895), (2855, 233076493), (5785, 115027379), (7423, 89644805), (37115, 17928961), (50819, 13094185), (201449, 3303235), (254095, 2618837), (660647, 1007245)]