28763891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1153}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 32958240

約数和(自身を除く): 4194349

約数列:

[1, 13, 19, 101, 247, 1153, 1313, 1919, 14989, 21907, 24947, 116453, 284791, 1513889, 2212607, 28763891]

約数ペア:

[(1, 28763891), (13, 2212607), (19, 1513889), (101, 284791), (247, 116453), (1153, 24947), (1313, 21907), (1919, 14989)]