72275905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 100679040

約数和(自身を除く): 28403135

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 247, 559, 817, 1235, 1361, 2795, 4085, 6805, 10621, 17693, 25859, 53105, 58523, 88465, 129295, 292615, 336167, 760799, 1111937, 1680835, 3803995, 5559685, 14455181, 72275905]

約数ペア:

[(1, 72275905), (5, 14455181), (13, 5559685), (19, 3803995), (43, 1680835), (65, 1111937), (95, 760799), (215, 336167), (247, 292615), (559, 129295), (817, 88465), (1235, 58523), (1361, 53105), (2795, 25859), (4085, 17693), (6805, 10621)]