281803775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{21803}}^1$

素因数の和:21871

約数の個数: 24

約数和(自身を含む): 389332224

約数和(自身を除く): 107528449

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 12925, 21803, 109015, 239833, 545075, 1024741, 1199165, 5123705, 5995825, 11272151, 25618525, 56360755, 281803775]

約数ペア:

[(1, 281803775), (5, 56360755), (11, 25618525), (25, 11272151), (47, 5995825), (55, 5123705), (235, 1199165), (275, 1024741), (517, 545075), (1175, 239833), (2585, 109015), (12925, 21803)]