28897781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 32306688

約数和(自身を除く): 3408907

約数列:

[1, 11, 71, 163, 227, 781, 1793, 2497, 11573, 16117, 37001, 127303, 177287, 407011, 2627071, 28897781]

約数ペア:

[(1, 28897781), (11, 2627071), (71, 407011), (163, 177287), (227, 127303), (781, 37001), (1793, 16117), (2497, 11573)]