256759304

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{15679}}^1$

素因数の和:15797

約数の個数: 32

約数和(自身を含む): 508032000

約数和(自身を除く): 251272696

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 2047, 4094, 8188, 15679, 16376, 31358, 62716, 125432, 360617, 721234, 1395431, 1442468, 2790862, 2884936, 5581724, 11163448, 32094913, 64189826, 128379652, 256759304]

約数ペア:

[(1, 256759304), (2, 128379652), (4, 64189826), (8, 32094913), (23, 11163448), (46, 5581724), (89, 2884936), (92, 2790862), (178, 1442468), (184, 1395431), (356, 721234), (712, 360617), (2047, 125432), (4094, 62716), (8188, 31358), (15679, 16376)]