129931775

素因数分解:

$5^2\times {\mathrm{71}}^2\times {\mathrm{1031}}^1$

素因数の和:1183

約数の個数: 18

約数和(自身を含む): 163575096

約数和(自身を除く): 33643321

約数列:

[1, 5, 25, 71, 355, 1031, 1775, 5041, 5155, 25205, 25775, 73201, 126025, 366005, 1830025, 5197271, 25986355, 129931775]

約数ペア:

[(1, 129931775), (5, 25986355), (25, 5197271), (71, 1830025), (355, 366005), (1031, 126025), (1775, 73201), (5041, 25775), (5155, 25205)]