128857498705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{337}}^1\times {\mathrm{1181}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 177596048448

約数和(自身を除く): 48738549743

約数列:

[1, 5, 13, 17, 65, 85, 221, 293, 337, 1105, 1181, 1465, 1685, 3809, 4381, 4981, 5729, 5905, 15353, 19045, 20077, 21905, 24905, 28645, 64753, 74477, 76765, 98741, 100385, 261001, 323765, 346033, 372385, 397997, 493705, 1283633, 1305005, 1678597, 1730165, 1989985, 4498429, 5173961, 5882561, 6418165, 6765949, 8392985, 21821761, 22492145, 25869805, 29412805, 33829745, 76473293, 87957337, 109108805, 116613121, 382366465, 439786685, 583065605, 1515970573, 1982423057, 7579852865, 9912115285, 25771499741, 128857498705]

約数ペア:

[(1, 128857498705), (5, 25771499741), (13, 9912115285), (17, 7579852865), (65, 1982423057), (85, 1515970573), (221, 583065605), (293, 439786685), (337, 382366465), (1105, 116613121), (1181, 109108805), (1465, 87957337), (1685, 76473293), (3809, 33829745), (4381, 29412805), (4981, 25869805), (5729, 22492145), (5905, 21821761), (15353, 8392985), (19045, 6765949), (20077, 6418165), (21905, 5882561), (24905, 5173961), (28645, 4498429), (64753, 1989985), (74477, 1730165), (76765, 1678597), (98741, 1305005), (100385, 1283633), (261001, 493705), (323765, 397997), (346033, 372385)]