209224561

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 281534400

約数和(自身を除く): 72309839

約数列:

[1, 7, 13, 19, 49, 59, 91, 133, 247, 293, 413, 637, 767, 931, 1121, 1729, 2051, 2891, 3809, 5369, 5567, 7847, 12103, 14357, 14573, 17287, 26663, 37583, 38969, 54929, 72371, 102011, 121009, 186641, 224731, 272783, 328453, 506597, 714077, 847063, 1573117, 2299171, 3546179, 4269889, 11011819, 16094197, 29889223, 209224561]

約数ペア:

[(1, 209224561), (7, 29889223), (13, 16094197), (19, 11011819), (49, 4269889), (59, 3546179), (91, 2299171), (133, 1573117), (247, 847063), (293, 714077), (413, 506597), (637, 328453), (767, 272783), (931, 224731), (1121, 186641), (1729, 121009), (2051, 102011), (2891, 72371), (3809, 54929), (5369, 38969), (5567, 37583), (7847, 26663), (12103, 17287), (14357, 14573)]