289490012

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{252169}}^1$

素因数の和:252221

約数の個数: 24

約数和(自身を含む): 593103840

約数和(自身を除く): 303613828

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 252169, 504338, 1008676, 1765183, 3530366, 7060732, 10338929, 20677858, 41355716, 72372503, 144745006, 289490012]

約数ペア:

[(1, 289490012), (2, 144745006), (4, 72372503), (7, 41355716), (14, 20677858), (28, 10338929), (41, 7060732), (82, 3530366), (164, 1765183), (287, 1008676), (574, 504338), (1148, 252169)]