247278421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{9871}}^1$

素因数の和:9972

約数の個数: 16

約数和(自身を含む): 278627328

約数和(自身を除く): 31348907

約数列:

[1, 13, 41, 47, 533, 611, 1927, 9871, 25051, 128323, 404711, 463937, 5261243, 6031181, 19021417, 247278421]

約数ペア:

[(1, 247278421), (13, 19021417), (41, 6031181), (47, 5261243), (533, 463937), (611, 404711), (1927, 128323), (9871, 25051)]