217804546

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 345235968

約数和(自身を除く): 127431422

約数列:

[1, 2, 41, 43, 82, 86, 223, 277, 446, 554, 1763, 3526, 9143, 9589, 11357, 11911, 18286, 19178, 22714, 23822, 61771, 123542, 393149, 488351, 786298, 976702, 2532611, 2656153, 5065222, 5312306, 108902273, 217804546]

約数ペア:

[(1, 217804546), (2, 108902273), (41, 5312306), (43, 5065222), (82, 2656153), (86, 2532611), (223, 976702), (277, 786298), (446, 488351), (554, 393149), (1763, 123542), (3526, 61771), (9143, 23822), (9589, 22714), (11357, 19178), (11911, 18286)]