261702216

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{12577}}^1$

素因数の和:12623

約数の個数: 72

約数和(自身を含む): 752981970

約数和(自身を除く): 491279754

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1156, 1224, 1734, 2312, 2601, 3468, 5202, 6936, 10404, 12577, 20808, 25154, 37731, 50308, 75462, 100616, 113193, 150924, 213809, 226386, 301848, 427618, 452772, 641427, 855236, 905544, 1282854, 1710472, 1924281, 2565708, 3634753, 3848562, 5131416, 7269506, 7697124, 10904259, 14539012, 15394248, 21808518, 29078024, 32712777, 43617036, 65425554, 87234072, 130851108, 261702216]

約数ペア:

[(1, 261702216), (2, 130851108), (3, 87234072), (4, 65425554), (6, 43617036), (8, 32712777), (9, 29078024), (12, 21808518), (17, 15394248), (18, 14539012), (24, 10904259), (34, 7697124), (36, 7269506), (51, 5131416), (68, 3848562), (72, 3634753), (102, 2565708), (136, 1924281), (153, 1710472), (204, 1282854), (289, 905544), (306, 855236), (408, 641427), (578, 452772), (612, 427618), (867, 301848), (1156, 226386), (1224, 213809), (1734, 150924), (2312, 113193), (2601, 100616), (3468, 75462), (5202, 50308), (6936, 37731), (10404, 25154), (12577, 20808)]