686344576

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{42221}}^1$

素因数の和:42362

約数の個数: 32

約数和(自身を含む): 1378126080

約数和(自身を除く): 691781504

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 16256, 42221, 84442, 168884, 337768, 675536, 1351072, 2702144, 5362067, 5404288, 10724134, 21448268, 42896536, 85793072, 171586144, 343172288, 686344576]

約数ペア:

[(1, 686344576), (2, 343172288), (4, 171586144), (8, 85793072), (16, 42896536), (32, 21448268), (64, 10724134), (127, 5404288), (128, 5362067), (254, 2702144), (508, 1351072), (1016, 675536), (2032, 337768), (4064, 168884), (8128, 84442), (16256, 42221)]