254191816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 509483520

約数和(自身を除く): 255291704

約数列:

[1, 2, 4, 8, 31, 53, 62, 83, 106, 124, 166, 212, 233, 248, 332, 424, 466, 664, 932, 1643, 1864, 2573, 3286, 4399, 5146, 6572, 7223, 8798, 10292, 12349, 13144, 14446, 17596, 19339, 20584, 24698, 28892, 35192, 38678, 49396, 57784, 77356, 98792, 136369, 154712, 272738, 382819, 545476, 599509, 765638, 1024967, 1090952, 1199018, 1531276, 2049934, 2398036, 3062552, 4099868, 4796072, 8199736, 31773977, 63547954, 127095908, 254191816]

約数ペア:

[(1, 254191816), (2, 127095908), (4, 63547954), (8, 31773977), (31, 8199736), (53, 4796072), (62, 4099868), (83, 3062552), (106, 2398036), (124, 2049934), (166, 1531276), (212, 1199018), (233, 1090952), (248, 1024967), (332, 765638), (424, 599509), (466, 545476), (664, 382819), (932, 272738), (1643, 154712), (1864, 136369), (2573, 98792), (3286, 77356), (4399, 57784), (5146, 49396), (6572, 38678), (7223, 35192), (8798, 28892), (10292, 24698), (12349, 20584), (13144, 19339), (14446, 17596)]