28820891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3794

約数の個数: 16

約数和(自身を含む): 33999360

約数和(自身を除く): 5178469

約数列:

[1, 11, 19, 37, 209, 407, 703, 3727, 7733, 40997, 70813, 137899, 778943, 1516889, 2620081, 28820891]

約数ペア:

[(1, 28820891), (11, 2620081), (19, 1516889), (37, 778943), (209, 137899), (407, 70813), (703, 40997), (3727, 7733)]