257898428

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{281}}^1\times {\mathrm{1153}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 455599200

約数和(自身を除く): 197700772

約数列:

[1, 2, 4, 199, 281, 398, 562, 796, 1124, 1153, 2306, 4612, 55919, 111838, 223676, 229447, 323993, 458894, 647986, 917788, 1295972, 64474607, 128949214, 257898428]

約数ペア:

[(1, 257898428), (2, 128949214), (4, 64474607), (199, 1295972), (281, 917788), (398, 647986), (562, 458894), (796, 323993), (1124, 229447), (1153, 223676), (2306, 111838), (4612, 55919)]