28405751

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1102

約数の個数: 16

約数和(自身を含む): 32306688

約数和(自身を除く): 3900937

約数列:

[1, 11, 37, 71, 407, 781, 983, 2627, 10813, 28897, 36371, 69793, 400081, 767723, 2582341, 28405751]

約数ペア:

[(1, 28405751), (11, 2582341), (37, 767723), (71, 400081), (407, 69793), (781, 36371), (983, 28897), (2627, 10813)]