128804144

素因数分解:

$2^4\times 7^2\times {\mathrm{164291}}^1$

素因数の和:164313

約数の個数: 30

約数和(自身を含む): 290303964

約数和(自身を除く): 161499820

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 164291, 328582, 657164, 1150037, 1314328, 2300074, 2628656, 4600148, 8050259, 9200296, 16100518, 18400592, 32201036, 64402072, 128804144]

約数ペア:

[(1, 128804144), (2, 64402072), (4, 32201036), (7, 18400592), (8, 16100518), (14, 9200296), (16, 8050259), (28, 4600148), (49, 2628656), (56, 2300074), (98, 1314328), (112, 1150037), (196, 657164), (392, 328582), (784, 164291)]