28807966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18443}}^1$

素因数の和:18527

約数の個数: 16

約数和(自身を含む): 47806848

約数和(自身を除く): 18998882

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18443, 36886, 202873, 405746, 1309453, 2618906, 14403983, 28807966]

約数ペア:

[(1, 28807966), (2, 14403983), (11, 2618906), (22, 1309453), (71, 405746), (142, 202873), (781, 36886), (1562, 18443)]