1256556672016

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{7151}}^1\times {\mathrm{154681}}^1$

素因数の和:161911

約数の個数: 40

約数和(自身を含む): 2469229602048

約数和(自身を除く): 1212672930032

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 7151, 14302, 28604, 57208, 114416, 154681, 309362, 507721, 618724, 1015442, 1237448, 2030884, 2474896, 4061768, 8123536, 10982351, 21964702, 43929404, 87858808, 175717616, 1106123831, 2212247662, 4424495324, 8848990648, 17697981296, 78534792001, 157069584002, 314139168004, 628278336008, 1256556672016]

約数ペア:

[(1, 1256556672016), (2, 628278336008), (4, 314139168004), (8, 157069584002), (16, 78534792001), (71, 17697981296), (142, 8848990648), (284, 4424495324), (568, 2212247662), (1136, 1106123831), (7151, 175717616), (14302, 87858808), (28604, 43929404), (57208, 21964702), (114416, 10982351), (154681, 8123536), (309362, 4061768), (507721, 2474896), (618724, 2030884), (1015442, 1237448)]