3947297185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{2423}}^1$

素因数の和:2865

約数の個数: 32

約数和(自身を含む): 5189764608

約数和(自身を除く): 1242467423

約数列:

[1, 5, 13, 65, 71, 353, 355, 923, 1765, 2423, 4589, 4615, 12115, 22945, 25063, 31499, 125315, 157495, 172033, 325819, 855319, 860165, 1629095, 2236429, 4276595, 11119147, 11182145, 55595735, 60727649, 303638245, 789459437, 3947297185]

約数ペア:

[(1, 3947297185), (5, 789459437), (13, 303638245), (65, 60727649), (71, 55595735), (353, 11182145), (355, 11119147), (923, 4276595), (1765, 2236429), (2423, 1629095), (4589, 860165), (4615, 855319), (12115, 325819), (22945, 172033), (25063, 157495), (31499, 125315)]