258405376

素因数分解:

$2^{10}\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2134

約数の個数: 44

約数和(自身を含む): 520887808

約数和(自身を除く): 262482432

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 1024, 1987, 2032, 3974, 4064, 7948, 8128, 15896, 16256, 31792, 32512, 63584, 65024, 127168, 130048, 252349, 254336, 504698, 508672, 1009396, 1017344, 2018792, 2034688, 4037584, 8075168, 16150336, 32300672, 64601344, 129202688, 258405376]

約数ペア:

[(1, 258405376), (2, 129202688), (4, 64601344), (8, 32300672), (16, 16150336), (32, 8075168), (64, 4037584), (127, 2034688), (128, 2018792), (254, 1017344), (256, 1009396), (508, 508672), (512, 504698), (1016, 254336), (1024, 252349), (1987, 130048), (2032, 127168), (3974, 65024), (4064, 63584), (7948, 32512), (8128, 31792), (15896, 16256)]