28215748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:724

約数の個数: 36

約数和(自身を含む): 54925276

約数和(自身を除く): 26709528

約数列:

[1, 2, 4, 11, 22, 44, 97, 121, 194, 242, 388, 484, 601, 1067, 1202, 2134, 2404, 4268, 6611, 11737, 13222, 23474, 26444, 46948, 58297, 72721, 116594, 145442, 233188, 290884, 641267, 1282534, 2565068, 7053937, 14107874, 28215748]

約数ペア:

[(1, 28215748), (2, 14107874), (4, 7053937), (11, 2565068), (22, 1282534), (44, 641267), (97, 290884), (121, 233188), (194, 145442), (242, 116594), (388, 72721), (484, 58297), (601, 46948), (1067, 26444), (1202, 23474), (2134, 13222), (2404, 11737), (4268, 6611)]