2128438088

素因数分解:

$2^3\times 7^2\times {\mathrm{991}}^1\times {\mathrm{5479}}^1$

素因数の和:6490

約数の個数: 48

約数和(自身を含む): 4647916800

約数和(自身を除く): 2519478712

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 991, 1982, 3964, 5479, 6937, 7928, 10958, 13874, 21916, 27748, 38353, 43832, 48559, 55496, 76706, 97118, 153412, 194236, 268471, 306824, 388472, 536942, 1073884, 2147768, 5429689, 10859378, 21718756, 38007823, 43437512, 76015646, 152031292, 266054761, 304062584, 532109522, 1064219044, 2128438088]

約数ペア:

[(1, 2128438088), (2, 1064219044), (4, 532109522), (7, 304062584), (8, 266054761), (14, 152031292), (28, 76015646), (49, 43437512), (56, 38007823), (98, 21718756), (196, 10859378), (392, 5429689), (991, 2147768), (1982, 1073884), (3964, 536942), (5479, 388472), (6937, 306824), (7928, 268471), (10958, 194236), (13874, 153412), (21916, 97118), (27748, 76706), (38353, 55496), (43832, 48559)]