81979696

素因数分解:

$2^4\times {\mathrm{2161}}^1\times {\mathrm{2371}}^1$

素因数の和:4540

約数の個数: 20

約数和(自身を含む): 158976184

約数和(自身を除く): 76996488

約数列:

[1, 2, 4, 8, 16, 2161, 2371, 4322, 4742, 8644, 9484, 17288, 18968, 34576, 37936, 5123731, 10247462, 20494924, 40989848, 81979696]

約数ペア:

[(1, 81979696), (2, 40989848), (4, 20494924), (8, 10247462), (16, 5123731), (2161, 37936), (2371, 34576), (4322, 18968), (4742, 17288), (8644, 9484)]