66684656

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{112643}}^1$

素因数の和:112688

約数の個数: 20

約数和(自身を含む): 132694632

約数和(自身を除く): 66009976

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 112643, 225286, 450572, 901144, 1802288, 4167791, 8335582, 16671164, 33342328, 66684656]

約数ペア:

[(1, 66684656), (2, 33342328), (4, 16671164), (8, 8335582), (16, 4167791), (37, 1802288), (74, 901144), (148, 450572), (296, 225286), (592, 112643)]