81284270065

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1\times {\mathrm{3851}}^1$

素因数の和:4401

約数の個数: 32

約数和(自身を含む): 99640824192

約数和(自身を除く): 18356554127

約数列:

[1, 5, 83, 181, 281, 415, 905, 1405, 3851, 15023, 19255, 23323, 50861, 75115, 116615, 254305, 319633, 697031, 1082131, 1598165, 3485155, 4221463, 5410655, 21107315, 57853573, 89816873, 195865711, 289267865, 449084365, 979328555, 16256854013, 81284270065]

約数ペア:

[(1, 81284270065), (5, 16256854013), (83, 979328555), (181, 449084365), (281, 289267865), (415, 195865711), (905, 89816873), (1405, 57853573), (3851, 21107315), (15023, 5410655), (19255, 4221463), (23323, 3485155), (50861, 1598165), (75115, 1082131), (116615, 697031), (254305, 319633)]