257443856

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{48611}}^1$

素因数の和:48950

約数の個数: 20

約数和(自身を含む): 500314704

約数和(自身を除く): 242870848

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 48611, 97222, 194444, 388888, 777776, 16090241, 32180482, 64360964, 128721928, 257443856]

約数ペア:

[(1, 257443856), (2, 128721928), (4, 64360964), (8, 32180482), (16, 16090241), (331, 777776), (662, 388888), (1324, 194444), (2648, 97222), (5296, 48611)]