28778736

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:998

約数の個数: 80

約数和(自身を含む): 85938944

約数和(自身を除く): 57160208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 97, 112, 168, 194, 291, 336, 388, 582, 679, 776, 883, 1164, 1358, 1552, 1766, 2037, 2328, 2649, 2716, 3532, 4074, 4656, 5298, 5432, 6181, 7064, 8148, 10596, 10864, 12362, 14128, 16296, 18543, 21192, 24724, 32592, 37086, 42384, 49448, 74172, 85651, 98896, 148344, 171302, 256953, 296688, 342604, 513906, 599557, 685208, 1027812, 1199114, 1370416, 1798671, 2055624, 2398228, 3597342, 4111248, 4796456, 7194684, 9592912, 14389368, 28778736]

約数ペア:

[(1, 28778736), (2, 14389368), (3, 9592912), (4, 7194684), (6, 4796456), (7, 4111248), (8, 3597342), (12, 2398228), (14, 2055624), (16, 1798671), (21, 1370416), (24, 1199114), (28, 1027812), (42, 685208), (48, 599557), (56, 513906), (84, 342604), (97, 296688), (112, 256953), (168, 171302), (194, 148344), (291, 98896), (336, 85651), (388, 74172), (582, 49448), (679, 42384), (776, 37086), (883, 32592), (1164, 24724), (1358, 21192), (1552, 18543), (1766, 16296), (2037, 14128), (2328, 12362), (2649, 10864), (2716, 10596), (3532, 8148), (4074, 7064), (4656, 6181), (5298, 5432)]