278319672

素因数分解:

$2^3\times 3^3\times {\mathrm{971}}^1\times {\mathrm{1327}}^1$

素因数の和:2313

約数の個数: 64

約数和(自身を含む): 774489600

約数和(自身を除く): 496169928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 971, 1327, 1942, 2654, 2913, 3884, 3981, 5308, 5826, 7768, 7962, 8739, 10616, 11652, 11943, 15924, 17478, 23304, 23886, 26217, 31848, 34956, 35829, 47772, 52434, 69912, 71658, 95544, 104868, 143316, 209736, 286632, 1288517, 2577034, 3865551, 5154068, 7731102, 10308136, 11596653, 15462204, 23193306, 30924408, 34789959, 46386612, 69579918, 92773224, 139159836, 278319672]

約数ペア:

[(1, 278319672), (2, 139159836), (3, 92773224), (4, 69579918), (6, 46386612), (8, 34789959), (9, 30924408), (12, 23193306), (18, 15462204), (24, 11596653), (27, 10308136), (36, 7731102), (54, 5154068), (72, 3865551), (108, 2577034), (216, 1288517), (971, 286632), (1327, 209736), (1942, 143316), (2654, 104868), (2913, 95544), (3884, 71658), (3981, 69912), (5308, 52434), (5826, 47772), (7768, 35829), (7962, 34956), (8739, 31848), (10616, 26217), (11652, 23886), (11943, 23304), (15924, 17478)]