128672488

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{99901}}^1$

素因数の和:99937

約数の個数: 32

約数和(自身を含む): 287717760

約数和(自身を除く): 159045272

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 99901, 199802, 399604, 699307, 799208, 1398614, 2297723, 2797228, 4595446, 5594456, 9190892, 16084061, 18381784, 32168122, 64336244, 128672488]

約数ペア:

[(1, 128672488), (2, 64336244), (4, 32168122), (7, 18381784), (8, 16084061), (14, 9190892), (23, 5594456), (28, 4595446), (46, 2797228), (56, 2297723), (92, 1398614), (161, 799208), (184, 699307), (322, 399604), (644, 199802), (1288, 99901)]