489457528

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 1069977600

約数和(自身を除く): 580520072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 257, 284, 479, 497, 514, 568, 958, 994, 1028, 1799, 1916, 1988, 2056, 3353, 3598, 3832, 3976, 6706, 7196, 13412, 14392, 18247, 26824, 34009, 36494, 68018, 72988, 123103, 127729, 136036, 145976, 238063, 246206, 255458, 272072, 476126, 492412, 510916, 861721, 952252, 984824, 1021832, 1723442, 1904504, 3446884, 6893768, 8740313, 17480626, 34961252, 61182191, 69922504, 122364382, 244728764, 489457528]

約数ペア:

[(1, 489457528), (2, 244728764), (4, 122364382), (7, 69922504), (8, 61182191), (14, 34961252), (28, 17480626), (56, 8740313), (71, 6893768), (142, 3446884), (257, 1904504), (284, 1723442), (479, 1021832), (497, 984824), (514, 952252), (568, 861721), (958, 510916), (994, 492412), (1028, 476126), (1799, 272072), (1916, 255458), (1988, 246206), (2056, 238063), (3353, 145976), (3598, 136036), (3832, 127729), (3976, 123103), (6706, 72988), (7196, 68018), (13412, 36494), (14392, 34009), (18247, 26824)]