28940665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6271}}^1$

素因数の和:6360

約数の個数: 16

約数和(自身を含む): 37933056

約数和(自身を除く): 8992391

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 6271, 31355, 81523, 407615, 445241, 2226205, 5788133, 28940665]

約数ペア:

[(1, 28940665), (5, 5788133), (13, 2226205), (65, 445241), (71, 407615), (355, 81523), (923, 31355), (4615, 6271)]