28750488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 79242240

約数和(自身を除く): 50491752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2143, 2236, 3354, 4286, 4472, 6429, 6708, 8572, 12858, 13416, 17144, 25716, 27859, 51432, 55718, 83577, 92149, 111436, 167154, 184298, 222872, 276447, 334308, 368596, 552894, 668616, 737192, 1105788, 1197937, 2211576, 2395874, 3593811, 4791748, 7187622, 9583496, 14375244, 28750488]

約数ペア:

[(1, 28750488), (2, 14375244), (3, 9583496), (4, 7187622), (6, 4791748), (8, 3593811), (12, 2395874), (13, 2211576), (24, 1197937), (26, 1105788), (39, 737192), (43, 668616), (52, 552894), (78, 368596), (86, 334308), (104, 276447), (129, 222872), (156, 184298), (172, 167154), (258, 111436), (312, 92149), (344, 83577), (516, 55718), (559, 51432), (1032, 27859), (1118, 25716), (1677, 17144), (2143, 13416), (2236, 12858), (3354, 8572), (4286, 6708), (4472, 6429)]