257521256

素因数分解:

$2^3\times {\mathrm{449}}^1\times {\mathrm{71693}}^1$

素因数の和:72148

約数の個数: 16

約数和(自身を含む): 483934500

約数和(自身を除く): 226413244

約数列:

[1, 2, 4, 8, 449, 898, 1796, 3592, 71693, 143386, 286772, 573544, 32190157, 64380314, 128760628, 257521256]

約数ペア:

[(1, 257521256), (2, 128760628), (4, 64380314), (8, 32190157), (449, 573544), (898, 286772), (1796, 143386), (3592, 71693)]