81561872

素因数分解:

$2^4\times 7^2\times {\mathrm{104033}}^1$

素因数の和:104055

約数の個数: 30

約数和(自身を含む): 183828078

約数和(自身を除く): 102266206

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 104033, 208066, 416132, 728231, 832264, 1456462, 1664528, 2912924, 5097617, 5825848, 10195234, 11651696, 20390468, 40780936, 81561872]

約数ペア:

[(1, 81561872), (2, 40780936), (4, 20390468), (7, 11651696), (8, 10195234), (14, 5825848), (16, 5097617), (28, 2912924), (49, 1664528), (56, 1456462), (98, 832264), (112, 728231), (196, 416132), (392, 208066), (784, 104033)]