81990848

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{19121}}^1$

素因数の和:19200

約数の個数: 28

約数和(自身を含む): 165137592

約数和(自身を除く): 83146744

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 19121, 38242, 76484, 152968, 305936, 611872, 1223744, 1281107, 2562214, 5124428, 10248856, 20497712, 40995424, 81990848]

約数ペア:

[(1, 81990848), (2, 40995424), (4, 20497712), (8, 10248856), (16, 5124428), (32, 2562214), (64, 1281107), (67, 1223744), (134, 611872), (268, 305936), (536, 152968), (1072, 76484), (2144, 38242), (4288, 19121)]