138478145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{4943}}^1$

素因数の和:5392

約数の個数: 16

約数和(自身を含む): 179407872

約数和(自身を除く): 40929727

約数列:

[1, 5, 13, 65, 431, 2155, 4943, 5603, 24715, 28015, 64259, 321295, 2130433, 10652165, 27695629, 138478145]

約数ペア:

[(1, 138478145), (5, 27695629), (13, 10652165), (65, 2130433), (431, 321295), (2155, 64259), (4943, 28015), (5603, 24715)]