81974162

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{20023}}^1$

素因数の和:20137

約数の個数: 16

約数和(自身を含む): 129755520

約数和(自身を除く): 47781358

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 20023, 40046, 460529, 921058, 1782047, 3564094, 40987081, 81974162]

約数ペア:

[(1, 81974162), (2, 40987081), (23, 3564094), (46, 1782047), (89, 921058), (178, 460529), (2047, 40046), (4094, 20023)]