678305984

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4909}}^1$

素因数の和:5065

約数の個数: 56

約数和(自身を含む): 1436705280

約数和(自身を除く): 758399296

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 127, 136, 254, 272, 508, 544, 1016, 1088, 2032, 2159, 4064, 4318, 4909, 8128, 8636, 9818, 17272, 19636, 34544, 39272, 69088, 78544, 83453, 138176, 157088, 166906, 314176, 333812, 623443, 667624, 1246886, 1335248, 2493772, 2670496, 4987544, 5340992, 9975088, 10598531, 19950176, 21197062, 39900352, 42394124, 84788248, 169576496, 339152992, 678305984]

約数ペア:

[(1, 678305984), (2, 339152992), (4, 169576496), (8, 84788248), (16, 42394124), (17, 39900352), (32, 21197062), (34, 19950176), (64, 10598531), (68, 9975088), (127, 5340992), (136, 4987544), (254, 2670496), (272, 2493772), (508, 1335248), (544, 1246886), (1016, 667624), (1088, 623443), (2032, 333812), (2159, 314176), (4064, 166906), (4318, 157088), (4909, 138176), (8128, 83453), (8636, 78544), (9818, 69088), (17272, 39272), (19636, 34544)]