219896656

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27653}}^1$

素因数の和:27739

約数の個数: 40

約数和(自身を含む): 493789824

約数和(自身を除く): 273893168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 27653, 55306, 110612, 193571, 221224, 387142, 442448, 774284, 1548568, 1963363, 3097136, 3926726, 7853452, 13743541, 15706904, 27487082, 31413808, 54974164, 109948328, 219896656]

約数ペア:

[(1, 219896656), (2, 109948328), (4, 54974164), (7, 31413808), (8, 27487082), (14, 15706904), (16, 13743541), (28, 7853452), (56, 3926726), (71, 3097136), (112, 1963363), (142, 1548568), (284, 774284), (497, 442448), (568, 387142), (994, 221224), (1136, 193571), (1988, 110612), (3976, 55306), (7952, 27653)]