89857616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 179687904

約数和(自身を除く): 89830288

約数列:

[1, 2, 4, 8, 16, 43, 86, 131, 172, 262, 344, 524, 688, 997, 1048, 1994, 2096, 3988, 5633, 7976, 11266, 15952, 22532, 42871, 45064, 85742, 90128, 130607, 171484, 261214, 342968, 522428, 685936, 1044856, 2089712, 5616101, 11232202, 22464404, 44928808, 89857616]

約数ペア:

[(1, 89857616), (2, 44928808), (4, 22464404), (8, 11232202), (16, 5616101), (43, 2089712), (86, 1044856), (131, 685936), (172, 522428), (262, 342968), (344, 261214), (524, 171484), (688, 130607), (997, 90128), (1048, 85742), (1994, 45064), (2096, 42871), (3988, 22532), (5633, 15952), (7976, 11266)]