81698968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18269}}^1$

素因数の和:18331

約数の個数: 32

約数和(自身を含む): 168814800

約数和(自身を除く): 87115832

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 18269, 36538, 73076, 146152, 237497, 474994, 785567, 949988, 1571134, 1899976, 3142268, 6284536, 10212371, 20424742, 40849484, 81698968]

約数ペア:

[(1, 81698968), (2, 40849484), (4, 20424742), (8, 10212371), (13, 6284536), (26, 3142268), (43, 1899976), (52, 1571134), (86, 949988), (104, 785567), (172, 474994), (344, 237497), (559, 146152), (1118, 73076), (2236, 36538), (4472, 18269)]