1389406471

素因数分解:

${\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{1871}}^1$

素因数の和:2366

約数の個数: 16

約数和(自身を含む): 1471841280

約数和(自身を除く): 82434809

約数列:

[1, 23, 83, 389, 1871, 1909, 8947, 32287, 43033, 155293, 727819, 742601, 3571739, 16739837, 60408977, 1389406471]

約数ペア:

[(1, 1389406471), (23, 60408977), (83, 16739837), (389, 3571739), (1871, 742601), (1909, 727819), (8947, 155293), (32287, 43033)]