263048752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 559732032

約数和(自身を除く): 296683280

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 71, 106, 136, 142, 212, 257, 272, 284, 424, 514, 568, 848, 901, 1028, 1136, 1207, 1802, 2056, 2414, 3604, 3763, 4112, 4369, 4828, 7208, 7526, 8738, 9656, 13621, 14416, 15052, 17476, 18247, 19312, 27242, 30104, 34952, 36494, 54484, 60208, 63971, 69904, 72988, 108968, 127942, 145976, 217936, 231557, 255884, 291952, 310199, 463114, 511768, 620398, 926228, 967091, 1023536, 1240796, 1852456, 1934182, 2481592, 3704912, 3868364, 4963184, 7736728, 15473456, 16440547, 32881094, 65762188, 131524376, 263048752]

約数ペア:

[(1, 263048752), (2, 131524376), (4, 65762188), (8, 32881094), (16, 16440547), (17, 15473456), (34, 7736728), (53, 4963184), (68, 3868364), (71, 3704912), (106, 2481592), (136, 1934182), (142, 1852456), (212, 1240796), (257, 1023536), (272, 967091), (284, 926228), (424, 620398), (514, 511768), (568, 463114), (848, 310199), (901, 291952), (1028, 255884), (1136, 231557), (1207, 217936), (1802, 145976), (2056, 127942), (2414, 108968), (3604, 72988), (3763, 69904), (4112, 63971), (4369, 60208), (4828, 54484), (7208, 36494), (7526, 34952), (8738, 30104), (9656, 27242), (13621, 19312), (14416, 18247), (15052, 17476)]