128219861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{15277}}^1$

素因数の和:15404

約数の個数: 16

約数和(自身を含む): 161335680

約数和(自身を除く): 33115819

約数列:

[1, 7, 11, 77, 109, 763, 1199, 8393, 15277, 106939, 168047, 1176329, 1665193, 11656351, 18317123, 128219861]

約数ペア:

[(1, 128219861), (7, 18317123), (11, 11656351), (77, 1665193), (109, 1176329), (763, 168047), (1199, 106939), (8393, 15277)]