28969811

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 33994080

約数和(自身を除く): 5024269

約数列:

[1, 13, 23, 29, 169, 257, 299, 377, 667, 3341, 3887, 4901, 5911, 7453, 8671, 43433, 76843, 96889, 112723, 171419, 998959, 1259557, 2228447, 28969811]

約数ペア:

[(1, 28969811), (13, 2228447), (23, 1259557), (29, 998959), (169, 171419), (257, 112723), (299, 96889), (377, 76843), (667, 43433), (3341, 8671), (3887, 7453), (4901, 5911)]