81660295

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{6217}}^1$

素因数の和:6330

約数の個数: 16

約数和(自身を含む): 102074688

約数和(自身を除く): 20414393

約数列:

[1, 5, 37, 71, 185, 355, 2627, 6217, 13135, 31085, 230029, 441407, 1150145, 2207035, 16332059, 81660295]

約数ペア:

[(1, 81660295), (5, 16332059), (37, 2207035), (71, 1150145), (185, 441407), (355, 230029), (2627, 31085), (6217, 13135)]