1780495826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{545161}}^1$

素因数の和:545257

約数の個数: 16

約数和(自身を含む): 2826119808

約数和(自身を除く): 1045623982

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 545161, 1090322, 12538703, 25077406, 38706431, 77412862, 890247913, 1780495826]

約数ペア:

[(1, 1780495826), (2, 890247913), (23, 77412862), (46, 38706431), (71, 25077406), (142, 12538703), (1633, 1090322), (3266, 545161)]