56721821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1753}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 64827840

約数和(自身を除く): 8106019

約数列:

[1, 13, 19, 131, 247, 1703, 1753, 2489, 22789, 32357, 33307, 229643, 432991, 2985359, 4363217, 56721821]

約数ペア:

[(1, 56721821), (13, 4363217), (19, 2985359), (131, 432991), (247, 229643), (1703, 33307), (1753, 32357), (2489, 22789)]