1297504016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1885907}}^1$

素因数の和:1885958

約数の個数: 20

約数和(自身を含む): 2572378512

約数和(自身を除く): 1274874496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1885907, 3771814, 7543628, 15087256, 30174512, 81094001, 162188002, 324376004, 648752008, 1297504016]

約数ペア:

[(1, 1297504016), (2, 648752008), (4, 324376004), (8, 162188002), (16, 81094001), (43, 30174512), (86, 15087256), (172, 7543628), (344, 3771814), (688, 1885907)]