218376455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 295783488

約数和(自身を除く): 77407033

約数列:

[1, 5, 11, 41, 55, 113, 205, 451, 565, 857, 1243, 2255, 4285, 4633, 6215, 9427, 23165, 35137, 47135, 50963, 96841, 175685, 254815, 386507, 484205, 1065251, 1932535, 3970481, 5326255, 19852405, 43675291, 218376455]

約数ペア:

[(1, 218376455), (5, 43675291), (11, 19852405), (41, 5326255), (55, 3970481), (113, 1932535), (205, 1065251), (451, 484205), (565, 386507), (857, 254815), (1243, 175685), (2255, 96841), (4285, 50963), (4633, 47135), (6215, 35137), (9427, 23165)]