247688514

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{320011}}^1$

素因数の和:320062

約数の個数: 24

約数和(自身を含む): 549140592

約数和(自身を除く): 301452078

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 320011, 640022, 960033, 1920066, 2880099, 5760198, 13760473, 27520946, 41281419, 82562838, 123844257, 247688514]

約数ペア:

[(1, 247688514), (2, 123844257), (3, 82562838), (6, 41281419), (9, 27520946), (18, 13760473), (43, 5760198), (86, 2880099), (129, 1920066), (258, 960033), (387, 640022), (774, 320011)]