257008635

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 520648128

約数和(自身を除く): 263639493

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 43, 45, 51, 65, 85, 117, 129, 153, 195, 215, 221, 255, 387, 559, 585, 601, 645, 663, 731, 765, 1105, 1677, 1803, 1935, 1989, 2193, 2795, 3005, 3315, 3655, 5031, 5409, 6579, 7813, 8385, 9015, 9503, 9945, 10217, 10965, 23439, 25155, 25843, 27045, 28509, 30651, 32895, 39065, 47515, 51085, 70317, 77529, 85527, 91953, 117195, 129215, 132821, 142545, 153255, 232587, 335959, 351585, 387645, 398463, 427635, 439331, 459765, 664105, 1007877, 1162935, 1195389, 1317993, 1679795, 1992315, 2196655, 3023631, 3953979, 5039385, 5711303, 5976945, 6589965, 15118155, 17133909, 19769895, 28556515, 51401727, 85669545, 257008635]

約数ペア:

[(1, 257008635), (3, 85669545), (5, 51401727), (9, 28556515), (13, 19769895), (15, 17133909), (17, 15118155), (39, 6589965), (43, 5976945), (45, 5711303), (51, 5039385), (65, 3953979), (85, 3023631), (117, 2196655), (129, 1992315), (153, 1679795), (195, 1317993), (215, 1195389), (221, 1162935), (255, 1007877), (387, 664105), (559, 459765), (585, 439331), (601, 427635), (645, 398463), (663, 387645), (731, 351585), (765, 335959), (1105, 232587), (1677, 153255), (1803, 142545), (1935, 132821), (1989, 129215), (2193, 117195), (2795, 91953), (3005, 85527), (3315, 77529), (3655, 70317), (5031, 51085), (5409, 47515), (6579, 39065), (7813, 32895), (8385, 30651), (9015, 28509), (9503, 27045), (9945, 25843), (10217, 25155), (10965, 23439)]