247863438

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{320237}}^1$

素因数の和:320288

約数の個数: 24

約数和(自身を含む): 549528408

約数和(自身を除く): 301664970

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 320237, 640474, 960711, 1921422, 2882133, 5764266, 13770191, 27540382, 41310573, 82621146, 123931719, 247863438]

約数ペア:

[(1, 247863438), (2, 123931719), (3, 82621146), (6, 41310573), (9, 27540382), (18, 13770191), (43, 5764266), (86, 2882133), (129, 1921422), (258, 960711), (387, 640474), (774, 320237)]