238565561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 269351040

約数和(自身を除く): 30785479

約数列:

[1, 13, 47, 53, 139, 611, 689, 1807, 2491, 2809, 6533, 7367, 32383, 36517, 84929, 95771, 132023, 346249, 390451, 1716299, 4501237, 5075863, 18351197, 238565561]

約数ペア:

[(1, 238565561), (13, 18351197), (47, 5075863), (53, 4501237), (139, 1716299), (611, 390451), (689, 346249), (1807, 132023), (2491, 95771), (2809, 84929), (6533, 36517), (7367, 32383)]