1640251262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{481577}}^1$

素因数の和:481723

約数の個数: 16

約数和(自身を含む): 2669868432

約数和(自身を除く): 1029617170

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 481577, 963154, 6260501, 12521002, 63086587, 126173174, 820125631, 1640251262]

約数ペア:

[(1, 1640251262), (2, 820125631), (13, 126173174), (26, 63086587), (131, 12521002), (262, 6260501), (1703, 963154), (3406, 481577)]