256255416

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{209359}}^1$

素因数の和:209388

約数の個数: 48

約数和(自身を含む): 734853600

約数和(自身を除く): 478598184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 209359, 418718, 628077, 837436, 1256154, 1674872, 1884231, 2512308, 3559103, 3768462, 5024616, 7118206, 7536924, 10677309, 14236412, 15073848, 21354618, 28472824, 32031927, 42709236, 64063854, 85418472, 128127708, 256255416]

約数ペア:

[(1, 256255416), (2, 128127708), (3, 85418472), (4, 64063854), (6, 42709236), (8, 32031927), (9, 28472824), (12, 21354618), (17, 15073848), (18, 14236412), (24, 10677309), (34, 7536924), (36, 7118206), (51, 5024616), (68, 3768462), (72, 3559103), (102, 2512308), (136, 1884231), (153, 1674872), (204, 1256154), (306, 837436), (408, 628077), (612, 418718), (1224, 209359)]