689937152

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{21221}}^1$

素因数の和:21364

約数の個数: 36

約数和(自身を含む): 1388088576

約数和(自身を除く): 698151424

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 8128, 16256, 21221, 32512, 42442, 84884, 169768, 339536, 679072, 1358144, 2695067, 2716288, 5390134, 5432576, 10780268, 21560536, 43121072, 86242144, 172484288, 344968576, 689937152]

約数ペア:

[(1, 689937152), (2, 344968576), (4, 172484288), (8, 86242144), (16, 43121072), (32, 21560536), (64, 10780268), (127, 5432576), (128, 5390134), (254, 2716288), (256, 2695067), (508, 1358144), (1016, 679072), (2032, 339536), (4064, 169768), (8128, 84884), (16256, 42442), (21221, 32512)]