81990474

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{440809}}^1$

素因数の和:440845

約数の個数: 16

約数和(自身を含む): 169271040

約数和(自身を除く): 87280566

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 440809, 881618, 1322427, 2644854, 13665079, 27330158, 40995237, 81990474]

約数ペア:

[(1, 81990474), (2, 40995237), (3, 27330158), (6, 13665079), (31, 2644854), (62, 1322427), (93, 881618), (186, 440809)]