256448835

素因数分解:

$3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2543}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 466712064

約数和(自身を除く): 210263229

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 243, 249, 405, 415, 747, 1215, 1245, 2241, 2543, 3735, 6723, 7629, 11205, 12715, 20169, 22887, 33615, 38145, 68661, 100845, 114435, 205983, 211069, 343305, 617949, 633207, 1029915, 1055345, 1899621, 3089745, 3166035, 5698863, 9498105, 17096589, 28494315, 51289767, 85482945, 256448835]

約数ペア:

[(1, 256448835), (3, 85482945), (5, 51289767), (9, 28494315), (15, 17096589), (27, 9498105), (45, 5698863), (81, 3166035), (83, 3089745), (135, 1899621), (243, 1055345), (249, 1029915), (405, 633207), (415, 617949), (747, 343305), (1215, 211069), (1245, 205983), (2241, 114435), (2543, 100845), (3735, 68661), (6723, 38145), (7629, 33615), (11205, 22887), (12715, 20169)]