28901686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18503}}^1$

素因数の和:18587

約数の個数: 16

約数和(自身を含む): 47962368

約数和(自身を除く): 19060682

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18503, 37006, 203533, 407066, 1313713, 2627426, 14450843, 28901686]

約数ペア:

[(1, 28901686), (2, 14450843), (11, 2627426), (22, 1313713), (71, 407066), (142, 203533), (781, 37006), (1562, 18503)]