12718277

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 16343040

約数和(自身を除く): 3624763

約数列:

[1, 11, 13, 19, 31, 143, 151, 209, 247, 341, 403, 589, 1661, 1963, 2717, 2869, 4433, 4681, 6479, 7657, 21593, 31559, 37297, 51491, 60853, 84227, 88939, 410267, 669383, 978329, 1156207, 12718277]

約数ペア:

[(1, 12718277), (11, 1156207), (13, 978329), (19, 669383), (31, 410267), (143, 88939), (151, 84227), (209, 60853), (247, 51491), (341, 37297), (403, 31559), (589, 21593), (1661, 7657), (1963, 6479), (2717, 4681), (2869, 4433)]