257946117

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 432988416

約数和(自身を除く): 175042299

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 113, 143, 187, 221, 313, 339, 429, 561, 663, 939, 1243, 1469, 1921, 2431, 3443, 3729, 4069, 4407, 5321, 5763, 7293, 10329, 12207, 15963, 16159, 21131, 24973, 35369, 44759, 48477, 58531, 63393, 69173, 74919, 106107, 134277, 175593, 207519, 274703, 389059, 459797, 601273, 760903, 824109, 1167177, 1379391, 1803819, 2282709, 5057767, 6614003, 7816549, 15173301, 19842009, 23449647, 85982039, 257946117]

約数ペア:

[(1, 257946117), (3, 85982039), (11, 23449647), (13, 19842009), (17, 15173301), (33, 7816549), (39, 6614003), (51, 5057767), (113, 2282709), (143, 1803819), (187, 1379391), (221, 1167177), (313, 824109), (339, 760903), (429, 601273), (561, 459797), (663, 389059), (939, 274703), (1243, 207519), (1469, 175593), (1921, 134277), (2431, 106107), (3443, 74919), (3729, 69173), (4069, 63393), (4407, 58531), (5321, 48477), (5763, 44759), (7293, 35369), (10329, 24973), (12207, 21131), (15963, 16159)]