128228612

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{1381}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 227532480

約数和(自身を除く): 99303868

約数列:

[1, 2, 4, 139, 167, 278, 334, 556, 668, 1381, 2762, 5524, 23213, 46426, 92852, 191959, 230627, 383918, 461254, 767836, 922508, 32057153, 64114306, 128228612]

約数ペア:

[(1, 128228612), (2, 64114306), (4, 32057153), (139, 922508), (167, 767836), (278, 461254), (334, 383918), (556, 230627), (668, 191959), (1381, 92852), (2762, 46426), (5524, 23213)]