90705985

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{1117}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 110682000

約数和(自身を除く): 19976015

約数列:

[1, 5, 109, 149, 545, 745, 1117, 5585, 16241, 81205, 121753, 166433, 608765, 832165, 18141197, 90705985]

約数ペア:

[(1, 90705985), (5, 18141197), (109, 832165), (149, 608765), (545, 166433), (745, 121753), (1117, 81205), (5585, 16241)]