201220865

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{19913}}^1$

素因数の和:20008

約数の個数: 16

約数和(自身を含む): 252350208

約数和(自身を除く): 51129343

約数列:

[1, 5, 43, 47, 215, 235, 2021, 10105, 19913, 99565, 856259, 935911, 4281295, 4679555, 40244173, 201220865]

約数ペア:

[(1, 201220865), (5, 40244173), (43, 4679555), (47, 4281295), (215, 935911), (235, 856259), (2021, 99565), (10105, 19913)]