223120145

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{4049}}^1$

素因数の和:4264

約数の個数: 16

約数和(自身を含む): 272937600

約数和(自身を除く): 49817455

約数列:

[1, 5, 103, 107, 515, 535, 4049, 11021, 20245, 55105, 417047, 433243, 2085235, 2166215, 44624029, 223120145]

約数ペア:

[(1, 223120145), (5, 44624029), (103, 2166215), (107, 2085235), (515, 433243), (535, 417047), (4049, 55105), (11021, 20245)]