28115782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{19997}}^1$

素因数の和:20055

約数の個数: 16

約数和(自身を含む): 45595440

約数和(自身を除く): 17479658

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 19997, 39994, 379943, 739889, 759886, 1479778, 14057891, 28115782]

約数ペア:

[(1, 28115782), (2, 14057891), (19, 1479778), (37, 759886), (38, 739889), (74, 379943), (703, 39994), (1406, 19997)]