256500538

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{250979}}^1$

素因数の和:251061

約数の個数: 16

約数和(自身を含む): 445740480

約数和(自身を除く): 189239942

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 250979, 501958, 1756853, 3513706, 18321467, 36642934, 128250269, 256500538]

約数ペア:

[(1, 256500538), (2, 128250269), (7, 36642934), (14, 18321467), (73, 3513706), (146, 1756853), (511, 501958), (1022, 250979)]