66664688

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{673}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 133387296

約数和(自身を除く): 66722608

約数列:

[1, 2, 4, 8, 16, 41, 82, 151, 164, 302, 328, 604, 656, 673, 1208, 1346, 2416, 2692, 5384, 6191, 10768, 12382, 24764, 27593, 49528, 55186, 99056, 101623, 110372, 203246, 220744, 406492, 441488, 812984, 1625968, 4166543, 8333086, 16666172, 33332344, 66664688]

約数ペア:

[(1, 66664688), (2, 33332344), (4, 16666172), (8, 8333086), (16, 4166543), (41, 1625968), (82, 812984), (151, 441488), (164, 406492), (302, 220744), (328, 203246), (604, 110372), (656, 101623), (673, 99056), (1208, 55186), (1346, 49528), (2416, 27593), (2692, 24764), (5384, 12382), (6191, 10768)]