388640592005

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1\times {\mathrm{25801}}^1$

素因数の和:26309

約数の個数: 32

約数和(自身を含む): 477782032896

約数和(自身を除く): 89141440891

約数列:

[1, 5, 71, 151, 281, 355, 755, 1405, 10721, 19951, 25801, 42431, 53605, 99755, 129005, 212155, 1831871, 3012601, 3895951, 7250081, 9159355, 15063005, 19479755, 36250405, 276612521, 514755751, 1094762231, 1383062605, 2573778755, 5473811155, 77728118401, 388640592005]

約数ペア:

[(1, 388640592005), (5, 77728118401), (71, 5473811155), (151, 2573778755), (281, 1383062605), (355, 1094762231), (755, 514755751), (1405, 276612521), (10721, 36250405), (19951, 19479755), (25801, 15063005), (42431, 9159355), (53605, 7250081), (99755, 3895951), (129005, 3012601), (212155, 1831871)]