28853981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{953}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 33176304

約数和(自身を除く): 4322323

約数列:

[1, 13, 17, 137, 221, 953, 1781, 2329, 12389, 16201, 30277, 130561, 210613, 1697293, 2219537, 28853981]

約数ペア:

[(1, 28853981), (13, 2219537), (17, 1697293), (137, 210613), (221, 130561), (953, 30277), (1781, 16201), (2329, 12389)]