128434348

素因数分解:

$2^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{9907}}^1$

素因数の和:10381

約数の個数: 24

約数和(自身を含む): 257449472

約数和(自身を除く): 129015124

約数列:

[1, 2, 4, 7, 14, 28, 463, 926, 1852, 3241, 6482, 9907, 12964, 19814, 39628, 69349, 138698, 277396, 4586941, 9173882, 18347764, 32108587, 64217174, 128434348]

約数ペア:

[(1, 128434348), (2, 64217174), (4, 32108587), (7, 18347764), (14, 9173882), (28, 4586941), (463, 277396), (926, 138698), (1852, 69349), (3241, 39628), (6482, 19814), (9907, 12964)]