257484

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 616000

約数和(自身を除く): 358516

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 499, 516, 998, 1497, 1996, 2994, 5988, 21457, 42914, 64371, 85828, 128742, 257484]

約数ペア:

[(1, 257484), (2, 128742), (3, 85828), (4, 64371), (6, 42914), (12, 21457), (43, 5988), (86, 2994), (129, 1996), (172, 1497), (258, 998), (499, 516)]