71909305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 97026048

約数和(自身を除く): 25116743

約数列:

[1, 5, 13, 31, 65, 127, 155, 281, 403, 635, 1405, 1651, 2015, 3653, 3937, 8255, 8711, 18265, 19685, 35687, 43555, 51181, 113243, 178435, 255905, 463931, 566215, 1106297, 2319655, 5531485, 14381861, 71909305]

約数ペア:

[(1, 71909305), (5, 14381861), (13, 5531485), (31, 2319655), (65, 1106297), (127, 566215), (155, 463931), (281, 255905), (403, 178435), (635, 113243), (1405, 51181), (1651, 43555), (2015, 35687), (3653, 19685), (3937, 18265), (8255, 8711)]